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: 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: Q4: How do you get investors interested in your business? #CNNAfrica CNN African Start-Up (@cnnafricanstart) January 14, 2015 Answer: investors
who did the question ask about getting invested in business?

Context: Oh, happy day! Our #ThankYouEvent is finally here. Take 30% off your entire purchase: Old Navy Official (@OldNavy) April 29, 2016 Answer: oldnvy.me/1lumnbd

where can you shop old navy using this discount?