In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.
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Question: Context: SST also released the Descendents live albums Liveage! (1987) and  (1989), both recorded during the final two Descendents tours Link Information: The band's first live album, it was recorded July 13, 1987 at First Avenue in Minneapolis during their summer 1987 "FinALL" tour, so-called because singer Milo Aukerman was leaving the Descendents to pursue a career in biochemistry, after which the band was relaunching itself under the name All. Answer: Milo Aukerman

Answer: Who sang on the Descendents live albums after Milo Aukerman left?


Question: Context: During the process of electing Leopoldo Calvo-Sotelo as Spain's new president in February 1981 Link Information: Leopoldo Ramón Pedro Calvo-Sotelo y Bustelo, 1st Marquess of Ría de Ribadeo (; 14 April 1926 – 3 May 2008) Answer: 55

Answer: How old was Leopoldo Calvo-Sotelo when elected president?


Question: Context: He received the Knight's Cross of the Iron Cross with Oak Leaves on 16 April 1943 after 63 victories. Link Information: The German Federal Archives substantiate 863 awards of the Oak Leaves to the Knight's Cross Answer: 863

Answer:
How many people have received the award Mayer received on 16 April 1943?