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.

Input: Consider Input: Context : George and Mildred is a British sitcom produced by Thames Television that aired from 1976 to 1979. 
Answer : Thames Television

Output: What production company or companies created George and Mildred?


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

Output: What year was Valemax made?


Input: Consider Input: Context : BL Crucis is a red giant and a semiregular variable in the constellation of Crux. 
Answer : Crux


Output: Which was the constellation for BL Crucis?