Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Context: A siren and 3 missiles heard exploding outside our home in Jerusalem. Please pray for my kids, they're crying. Shani Ferguson (@shaniferguson) November 16, 2012 Answer: 3
Student:
how many missles were heard exploding?