TASK DEFINITION: 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.
PROBLEM: Who sings your kiss is on my lips?

SOLUTION: Daryl Hall & John Oates

PROBLEM: Who did oprah winfrey play in the color purple?

SOLUTION: Sofia

PROBLEM: Who tried to invade britain 100 years before claudius?

SOLUTION:
Julius Caesar