In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: Airshow thrills: A380, world's biggest airliner, would NEVER fly like this w/ passengers aboard! #FIA16 #avgeek CNN Travel (@CNNTravel) July 13, 2016 Answer: the a380.
what model plane is the biggest airline in the world?