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.

Who sang the facts of life theme song?
Gloria Loring

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

Guwahati is situated on the bank of which river?

Brahmaputra River