TASK DEFINITION: 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.
PROBLEM: Context: the Delicate Sound of Thunder lightbulb suit Link Information: dolls of the Atom Heart Mother cow Answer: Atom Heart Mother 

SOLUTION: Which album was released first, Delicate Sounds of Thunder or Atom Heart Mother?

PROBLEM: Context: Henry's famous Walk to Canossa Link Information: The Road to Canossa, sometimes called the Walk to Canossa (/Kanossa) or Humiliation of Canossa (), refers to Holy Roman Emperor Henry IV's trek to Canossa Castle, Italy, where Pope Gregory VII was staying as the guest of Margravine Matilda of Tuscany, at the height of the investiture controversy in January 1077 Answer: 1077 

SOLUTION: What year did the Walk happen?

PROBLEM: Context: following the entry of the Chinese People's Volunteer Army (PVA) into the Korean War. Link Information: The Korean War (in South Korean , "Korean War"; in North Korean , "Fatherland Liberation War"; 25 June 1950 – 27 July 1953 Answer: 3

SOLUTION:
How long did the Korean War last?