instruction:
Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
question:
Based in Mumbai, abbreviated to RBI, what is India's central banking institution and guardian of the currency?
answer:
reserve bank of india

question:
Who, in the Bible, was the twin brother of Jacob?
answer:
esau

question:
Actresses Judi Dench, Helen Mirren and Maggie Smith all hold which title?
answer:
dame