TASK DEFINITION: Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.
PROBLEM: Context : Arnost Kreuz (or Ernst Kreuz, 9 May 1912 -- 9 February 1974), was a Czech football forward of German origin who played for Czechoslovakia in the 1938 FIFA World Cup.
Answer : 9 February 1974

SOLUTION: What was the death date of Arnost Kreuz?

PROBLEM: Context : The first Valemax vessel, Vale Brasil, was delivered in 2011.
Answer : 2011

SOLUTION: What year was Valemax made?

PROBLEM: Context : The Mortaio da 210/8 D.S. was a siege howitzer which served with Italy during World War I and World War II. It was an old-fashioned weapon when introduced around 1900.
Answer : World War I

SOLUTION:
In what war was Mortaio da 210/8 D.S. in?