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:
When was the song you're so vain written?
answer:
1971


question:
Which muslim leader received the title of knighthood in 1888?
answer:
Sir Syed Ahmed Taqvi bin Syed Muhammad Muttaqi


question:
The personal responsibility and work reconciliation act (prwra) was signed into law in?
answer:

August 22, 1996