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 : Fire on the Water is the second installment in the award-winning Lone Wolf book series created by Joe Dever.
Answer : Lone Wolf

SOLUTION: The Fire on the Water has what character?

PROBLEM: Context : Maschenka (Russian: , Mashen'ka; English: Mary) is a 1987 British film adaptation of the debut novel by Vladimir Nabokov, first published under his pen name V. Sirin in 1926.
Answer : Mary

SOLUTION: The Maschenka is based upon what?

PROBLEM: Context : ''A Good Man Goes to War'' is the seventh episode of the sixth series of the British science fiction television series Doctor Who, and was first broadcast on BBC One on 4 June 2011 and served as a mid-series finale.
Answer : Doctor Who

SOLUTION:
The A Good Man Goes to War was in what series?