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: Immigrants from countries across the globe - including and especially those from Haiti and all parts of Africa - have helped build this country. They should be welcomed and celebrated, not demeaned and insulted. Kamala Harris (@SenKamalaHarris) January 11, 2018 Answer: africa
what continent is mentioned?