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: Smith toured in Japan first in July 2001. On June 7, 2003, Smith won the Pro Wrestling IRON Heavyweight Championship, by defeating Bart Blaxson, and held the title for nearly two years before he dropped it on April 28, 2005 to California wrestler Malachi. He competed for the International Wrestling Association (IWA) in Puerto Rico, where, on November 1, 2003, he defeated Glamour Boy Shane to win the IWA World Heavyweight Championship, which he held for over a month, before losing it back to Glamour Boy Shane. On July 16, 2004, he defeated Slash Venom to win the vacant IWA Hardcore Championship. He lost it later that month to Chet Jablonski. On September 25, 2004, Smith won the New Breed Wrestling Association's top championship, the NBWA Championship, when he and Morgan defeated B.J. Whitmer and ODB in a tag team match, where the person who won the pin, won the Championship. He competed sporadically for the next few months, and won the IWA Intercontinental Heavyweight Championship from Glamour Boy Shane on November 20, 2005. He held the Championship for over a year, before losing it to Slash Venom on December 12, 2005 in a steel cage match.
Link Information: Smith toured in Japan first in July 2001. On June 7, 2003, Smith won the Pro Wrestling IRON Heavyweight Championship, by defeating Bart Blaxson, and held the title for nearly two years before he dropped it on April 28, 2005 to California wrestler Malachi. He competed for the International Wrestling Association (IWA) in Puerto Rico, where, on November 1, 2003, he defeated Glamour Boy Shane to win the IWA World Heavyweight Championship Question: How long did the wrestler who Bison Smith defeated for the IWA Heavyweight Championship on November 1, 2003 hold the title?

Answer: Answer: 5

Question: Passage: During the process of electing Leopoldo Calvo-Sotelo as Spain's new president in February 1981, Civil Guards and army members broke into the Congress of Deputies and held all deputies at gunpoint. One of the reasons that led to the coup d'etat was the increase of ETA's violence. The coup failed after the King called for the military powers to obey the Constitution. Days after the coup, ETA's faction politiko-militarra started its disbanding, with most of its members joining Euskadiko Ezkerra, a leftist nationalist party away from the Abertzale left. General elections were held in 1982, and Felipe Gonzalez, from the Socialist Workers' Party became the new president, while Herri Batasuna won two seats. In the Basque Country, Carlos Garaikoetxea from the PNV became lehendakari in 1979. During those years, hundreds of members of Herri Batasuna were arrested, especially after some of them sang the Eusko Gudariak in front of Juan Carlos I.
Link Information: General elections were held in 1982, and Felipe Gonzalez, from the Socialist Workers' Party became the new president, Question: Who was younger when elected president, Calvo-Sotelo or Gonzalez?

Answer: Answer: Felipe Gonzalez

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