In this task, you're given a question, along with three passages, 1, 2, and 3. Your job is to determine which passage can be used to answer the question by searching for further information using terms from the passage. Indicate your choice as 1, 2, or 3.

Question: How many people lived in Adelaide the year Burbidge was appointed assistant agronomist at Waite Agricultural Research Institute? Passage 1:Richard Bennet (d.1619), a Councillor at Law, built Hexworthy House as his seat within the parish. The Bennet family originated in Sussex and settled at Hexworthy during the reign of Queen Elizabeth I (1558-1603). His son was Col. Robert Bennet (1605–1683) of Hexworthy, a Member of Parliament during the Civil War and a noted commander of the Parliamentarian forces. His descendant Richard Bennett-Coffin (d.1796) was the son of Edward Bennett of Lawhitton by his wife Honor Coffin (born 1682), 11th daughter of Richard Coffin (1623-1700) of Portledge in the parish of Alwington in North Devon, lord of the manor of Alwington and Sheriff of Devon in 1683. Richard Bennett-Coffin (d.1796) became heir to the Coffin estates following the death of his childless uncle Richard Coffin (1684-1766). The Coffin family had been established at Alwington since the reign of King Henry II (1154-1189), and remained there in unbroken male succession until 1766. He adopted the name and arms of Coffin, but died without progeny at Esher in Surrey and was buried at Lawhitton where survives his monument. His heir was Rev. John Pine-Coffin (1735-1824), eldest surviving grandson of Dorothy Coffin (1651-1690), eldest daughter of Richard Coffin (1623-1700), who in 1672 married Edward Pyne (1648-1675) of East Down. Her descendants remained seated at East Down manor house until 1866, the Pyne family having occupied it since the 13th century. The last in the Pine-Coffin family to occupy Portledge manor house was Richard Geoffrey Pine-Coffin (1908-1974).
 Passage 2:In 1943 she was appointed assistant agronomist at the Waite Agricultural Research Institute in Adelaide, where she started working on native pasture species for arid and semi-arid South Australia. She was appointed to the new position of systematic botanist at the CSIRO Division of Plant Industry, Canberra in 1946. At CSIRO she worked on organising and extending the herbarium, first as a research scientist and then as curator and was responsible for laying the foundations of the Herbarium Australiense, later the National Australian Herbarium. She wrote Key to the South Australian species of Eucalyptus L'Hér. but had not specialised on the genus. Her professional interest in systemic botany was reflected by her tenure as secretary of the systematic botany committee of the Australian and New Zealand Association for the Advancement of Science from 1948 to 1952. She also edited Australasian Herbarium News until her until 1953, when she took a years leave to be the Australian Botanical Liaison Officer at the Kew Gardens herbarium. While at Kew she photographed and indexed type specimens of Australian plants and made microfilm copies of Robert Brown's notebooks for Australian herbaria.
 Passage 3:Sugahara was born in Otsu on June 14, 1981. After graduating from Shizuoka Gakuen High School, he moved to Brazil and joined Mirassol in 2000. In 2001, he returned to Japan and joined J1 League club Kashiwa Reysol. Although he debuted in 2002, he could hardly play in the match. In 2003, he moved to J1 club Vissel Kobe. However he could hardly play in the match. In 2004, he moved to J2 League club Sagan Tosu. However he could hardly play in the match. In 2005, he moved to Japan Football League (JFL) club Ehime FC. Although he could not play many matches, the club won the champions and was promoted to J2 end of 2005 season. In 2006, he moved to Regional Leagues club Zweigen Kanazawa. He played many matches and many goals. In 2007, he moved to Regional Leagues club Grulla Morioka. He played many matches and scored many goals in 2 seasons. In 2009, he moved to JFL club TDK (later Blaublitz Akita). He played many matches in 2 seasons. In 2011, he moved to JFL club Sony Sendai. However he could not play many matches. In 2012, he moved to JFL club Hoyo Oita. However he could not play many matches. In 2013, he moved to JFL club Blaublitz Akita again for the first time in 3 years and played many matches. In 2014, he moved to newly was promoted to J3 League club, Grulla Morioka for the first time in 6 years. He retired end of 2014 season.
2