instruction:
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.
question:
Who sang the original version of me and mrs jones?
answer:
Billy Paul


question:
Who has the most atp masters 1000 titles?
answer:
Rafael Nadal


question:
When was the original tappan zee bridge built?
answer:

from 1952 to 1955