TASK DEFINITION: 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.
PROBLEM: Context: dear Tommy Up at PYT in Philly. Please tell Rob K I'm pledging 1000 dollars to him for the tip debacle just wanna help. c #NoJudgement Charlie Sheen (@charliesheen) September 10, 2014 Answer: 1000

SOLUTION: how many dollars is charlie donating?

PROBLEM: Context: Scary moment we #CHI fans just broke down a barrier and stormed stadium. Sam Laird (@samcmlaird) June 18, 2014 Answer: barrier

SOLUTION: what did they break in order to get to the stadium?

PROBLEM: Context: The UK is an extraordinary partner for America and a force for good in an unstable world. I hope it remains strong, robust and united. -bo The White House (@WhiteHouse) September 17, 2014 Answer: barack obama

SOLUTION:
who was the person who wrote this tweet?