TASK DEFINITION: Based on the given question and tppic, give an answer. The answer is available on on the internet. The questions are mostly centered around a single named entity.
PROBLEM: concept: Liv Tyler  question:  what character did liv tyler play in lord of the rings?

SOLUTION: ['Arwen']

PROBLEM: concept: Elvis Presley  question:  where did elvis presley started his career?

SOLUTION: ['Memphis']

PROBLEM: concept: Darth Vader  question:  who was the voice of darth vader in episode iii?

SOLUTION:
Hayden Christensen