In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

When did texas win their independence from mexico?
March 1, 1836

Where is national open university located in lagos?
Victoria Island,VI Lagos

When did payne stewart won the us open?

1991 and 1999