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 : NordStar was founded by Norilsk Nickel and was launched on 17 December 2008, based on local Taimyr Peninsula airlines. 
Answer : Norilsk Nickel

Output: Which company is the parent company of NordStar?


Input: Consider Input: Context : Veronika Martinek (born 3 April 1972) is a former professional female tennis player playing for Germany. 
Answer : female

Output: Which sex is Veronika Martinek?


Input: Consider Input: Context : Balamani Amma died on 29 September 2004 after having suffered from Alzheimer's disease for nearly five years. 
Answer : Alzheimer's disease


Output: What medical condition did Balamani Amma have at the end of his life?