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: Today I met Vo Ban Tam, a former VC enemy who farms shrimp and crab on the same #Mekong river we once fought over. John Kerry (@JohnKerry) January 14, 2017 Question: where is his farm located on?
the mekong river