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: One of the uncomfortable things I learned on my trip down the #endangeredriver. Irrigation caused this in the 1980s. John D. Sutter (@jdsutter) July 22, 2014 Answer: irrigation issues of the endangered river
what disaster happened in the 1980s?

Context: Jonathan Crombie and Megan Follows had fantastic chemistry together in Anne of Green Gables. He'll always be Gilbert Blythe. RIP Jonathan.— Sera (@Sera188) April 18, 2015 Answer: jonathan crombie
who played gilbert blythe?

Context: Dear @PattyJenks,Thank you for being awesome. Sincerely,Everyone P.S. WONDER WOMAN is still playing in cinemas! Go see it again! ❤️🎥🎞 Kevin McCarthy (@KevinMcCarthyTV) August 25, 2017 Answer: wonder woman

what is still playing in cinemas?