QUESTION: answer this: how to talk to a user on wikipedia??

ANS: Talk pages

QUESTION: answer this: what is the sum of the protons and neutrons in an atom??

ANS: mass number

QUESTION: answer this: who acts as draco malfoy in harry potter??

ANS: Thomas Andrew Felton

QUESTION: answer this: shadow of the colossus creator's new game??

ANS:
The Last Guardian