QUESTION: answer this: when did the mgm grand open in vegas??

ANS: December 18, 1993
input: What is the answer to this question? where is tidal energy used most in the world?

output: South Korea
In: how many games did the dodgers win last year??

Out: 104
Please answer this: what does un sub mean in criminal minds?

Unknown subject of an investigation
Q: Answer this question:

president of the united states during the civil war??

A: Abraham Lincoln
Q: Answer this question:

who won the grand national last year 2017??

A:
One For Arthur