QUESTION: answer this: when was first metro train started in world??

ANS: 1890
input: What is the answer to this question? who won the most recent episode of the voice?

output: Brynn Cartelli
In: did indiana fight for the north or south??

Out: South
Please answer this: when did property taxes start in the united states?

1796
Q: Answer this question:

who sings she's a woman by the beatles??

A: Paul McCartney
In: in order to draw a scatter diagram we need interval data for??

Out:
one continuous variable