Detailed Instructions: 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.
Q: Context : British Airways merged with Iberia on 21 January 2011, formally creating the International Airlines Group (IAG), the world's third-largest airline group in terms of annual revenue and the second-largest in Europe. 
Answer : International Airlines Group
A:
What is British Airways's parent company?