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: Who was the commander of the Army of Tennessee during the Battle of Chickasaw Bayou? Passage 1:At the outbreak of the Civil War, Smith became a colonel of the 2nd California Volunteer Cavalry in the Union Army, rising early in 1862 to the rank of brigadier general in the United States Volunteers and to the chief command of the cavalry in the Department of the Missouri. From March through July, he served in the same capacity in the Department of the Mississippi. Assigned afterwards to the Army of the Tennessee, he took part in the Battle of Chickasaw Bayou and the capture of Arkansas Post. He commanded a division of the XIII Corps in the Vicksburg Campaign. Later, he led a division of the XVI Corps in the Red River Campaign of Maj. Gen. Nathaniel Banks. He received the brevet rank of colonel in the regular army for his services at the action of Pleasant Hill.
 Passage 2:Hazelwood, was named in honor of John Hazelwood, was laid down 24 December 1917 by Union Iron Works, San Francisco, California, launched 22 June 1918; sponsored by Miss Marian L. Neitzel; and commissioned 20 February 1919, Comdr. A. A. Corwin in command. Following shakedown and a voyage to Norfolk for supplies, Hazelwood departed New York for the Mediterranean 15 April 1919. Reaching Gibraltar 9 May, she participated in training and served as escort to Arizona (BB-39). After patrolling the Mediterranean, she departed Malta 28 July and arrived New York 13 August. Next day she got underway for her new home waters, the Pacific. Sailing via Cuba and Panama, she arrived at San Francisco 5 September. After operations along the West Coast, she decommissioned at San Diego 7 July 1922.
 Passage 3:He was born at Bedford Square, London, January 4, 1809. He grew up in an affluent family, the fifth of the six children born to Duncan Campbell (d.1815), who had made a fortune in the West Indies, and Harriet (d.1817), daughter of Robert Young of Auchenshcoch. He was the grandson of Alexander Campbell (1710-1760), 11th Laird of Inverawe, Argyll, descended from Archibald Campbell of Inverawe. His brother, Colonel James Campbell, built New Inverawe, today known as Ardanaiseig Hotel. He was a brother-in-law of Sir Alexander Spearman 1st Bt., of Hanwell, and his sister-in-law was a niece of Lt.-General Sir James Campbell, 1st Bt., of Inverneill. In 1832, he graduated from the Royal Military Academy Sandhurst and was appointed Captain of the Royal Scots and aide-de-camp to Lieutenant-General Campbell. He transferred to the 1st The Royal Dragoons and then joined the 7th Queen's Own Hussars, serving in the Near East.
1