In this task, you are given a context paragraph of the tweet and question. Your task is to generate right answer of given question based on given context tweet paragraph.

Context: Couple stunned after stumbling across chunk of WHALE VOMIT on beach - and it could be worth £50,000 Ｈｅａｔｈｅｒ (@itsrealH) April 13, 2016 Question: how much is the whale vomit worth?
£50,000

Context: Sources: Today's meeting will consist of Pat Riley, LeBron James and Rich Paul, James's agent. No one else.— Chris Broussard (@Chris_Broussard) July 9, 2014 Question: who all are participating in the meeting?
pat riley, lebron james and rich paul

Context: Mexico's government is making a major effort, doing what should have been done decades ago to save the Vaquita Marina.— Enrique Peña Nieto (@EPN) May 12, 2017 Question: when should have this effort been done?

decades ago