QUESTION: answer this: when did sound become a regular part of the motion picture viewing experience??

ANS: 1929
input: What is the answer to this question? who played kowalski on voyage to the bottom of the sea?

output: Del Monroe
In: how many episodes in beauty and the beast season 4??

Out: 13 episodes
Please answer this: when are both valves closed during cardiac cycle?

Isovolumic contraction
Q: Answer this question:

list of most populous cities in andhra pradesh??

A: Visakhapatnam
In: when did look who's talking come out??

Out:
1989