instruction:
In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
question:
Passage: The Yardbirds are an English blues rock band from London. Formed in May 1963, the group originally included lead vocalist Keith Relf, lead guitarist Anthony "Top" Topham, rhythm guitarist Chris Dreja, bassist Paul Samwell-Smith and drummer Jim McCarty. In October, Topham was replaced by Eric Clapton. He remained until 13 March 1965, when he left due to creative disagreements. Clapton recommended Jimmy Page to replace him, but he declined and Jeff Beck took over. Page later joined on bass the following June, after Samwell-Smith abruptly quit; Dreja later took over the role, allowing Page to join Beck on guitar. This lineup was short-lived, however, as Beck left in November 1966. The group continued as a four-piece until July 1968, when Relf and McCarty left due to creative differences, primarily with Page. Dreja initially remained, but by August Page formed a new group with vocalist Robert Plant, bassist John Paul Jones and drummer John Bonham, who later renamed themselves Led Zeppelin.
Link Information: who later renamed themselves Led Zeppelin. Question: In what year did the Yardbirds rename themselves Led Zeppelin?
answer:
Answer: 1968

question:
Passage: Haydock was a graduate of Glasgow University and was a travelling salesman for the Clydevale Oil & Colour Company, Bridgeton. In September 1914, one month after the outbreak of the First World War, Haydock enlisted in the Queen's Own Cameron Highlanders. In January 1915, he was commissioned as a second lieutenant in the Cameronians (Scottish Rifles). Haydock saw action at Gallipoli and Palestine before being seriously wounded during an attack on Umbrella Hill during the Third Battle of Gaza on 1 November 1917. He did not return to his battalion until August 1918, after it had been deployed on the Western Front. Haydock was wounded during an attack on the Hindenburg Line, west of Queant on 2 September 1918 and died the same day at a Casualty Clearing Station in Bailleulval. He was buried in Bac-du-Sud British Cemetery, Bailleulval.
Link Information: none Question: How many casualties were there in the battle in which Haydock was wounded in November 1917?
answer:
Answer: none

question:
Passage: Stevens was a firm supporter of former brigadier general Franklin Pierce's candidacy for President of the United States in 1852, as both men had served in the MexicanAmerican War. Stevens was rewarded by President Pierce on March 17, 1853 by being named governor of the newly created Washington Territory. (The position also included the title of Superintendent of Indian Affairs for that region). Stevens chose to add one more duty as he traveled west to the territory he would govern: the government was calling for a surveyor to map an appropriate railroad route across the northern United States, hoping that a transatlantic railroad would open up Asian markets. With Stevens' engineering experience (and likely the favor of Pierce yet again, as well as Secretary of War Jefferson Davis), he won the bid. His party, which included Dr. George Suckley, John Mullan and Fred Burr, son of David H. Burr, spent most of 1853 moving slowly across the prairie, surveying the way to Washington Territory. There Stevens met George McClellan's party, which had surveyed the line between the Puget Sound and the Spokane River. He took up his post at Olympia as governor in November that year.
Link Information: George Suckley (18301869) Question: Who was the oldest person in Stevens' party of 1853?
answer:
Answer: David H. Burr