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: What age was Nigel Slater the year Sawalha competed in The Underdog Show? Passage 1:Laurier was born in Créteil (Val-de-Marne). He made his debut for Coeuilly, which became Stade de Reims. At the champenois club, he played alongside big names such as Raymond Kopa and Lucien Muller. He played his first match in the championship alongside professionals on 17 October 1965. He took part in the return of the club to the top-flight in 1970. Two years later, he was signed by Paris Football Club, who had returned to Division 1. However, the Parisian club were relegated again two years later. Alain Laurier then joined Angers, without further success. He spent two seasons with the club in Division 2. In 1976, he began his conversion to management. He became manager (DEPF), while continuing as a player at Le Mans. He continued as a player-manager at Caen, stopping as a player in his last season at the Normandy club. He then coached Poissy, Grenoble, Istres, Dijon as well as foreign clubs in Dubai and China. From 2002 to 2004, he was technical director of the Qatar team.
 Passage 2:Burt was born in Perth to Gladys (née MacMurtrie) and Frederick Julius Augustus Burt. His grandfather was Septimus Burt, who was also a member of parliament and served as Attorney-General of Western Australia. Burt attended Guildford Grammar School, and after leaving school went to the North-West, working variously as a crayfisherman, stationhand, pearler, and tin miner. He opened a machinery and hardware store in Cue in 1935, and in 1939 was elected to the Cue Road Board, of which he eventually became chairman. Burt entered parliament at the 1959 state election, narrowly winning the seat of Murchison from Everard O'Brien of the Labor Party. He transferred to the new seat of Murchison-Eyre at the 1968 election, and retired from parliament at the 1971 election. After leaving politics, Burt held directorships with various mining companies. He died in Perth in November 1993, aged 84, and had married Mary Groom in 1937, with whom he had three sons.
 Passage 3:In 2006, she participated in the third series of the genealogy documentary series Who Do You Think You Are? tracing her family's roots, which are Jordanian Bedouin on her father's side, and French Huguenot on her mother's. She also appeared in the pilot of BBC 1's A Taste of my Life presented by Nigel Slater. After a two-year break, she was back on screen in May 2007, competing in the BBC dog training celebrity reality show The Underdog Show. She then returned to acting in two successive BBC costume dramas: as Jessie Brown in 2007 series Cranford, followed by Lark Rise to Candleford in 2008. She provided the voice acting for Sister Hannah (a.k.a. "Hammer"), a main character in the 2008 Xbox 360 video game Fable II. In autumn 2014, Julia played the part of Jan Ward in BBC One's thriller miniseries Remember Me, featuring Michael Palin. On 9 May 2015 she read the account of a member of the Women's Land Army at in Horse Guards Parade, London, that was broadcast live on BBC1.
3