when did the us end its open door policy???

Answer: 1922

Question: who played the wicked witch of the west in the wizard of oz?

Answer: Margaret Brainard Hamilton

Answer this question: when did subaru outback switch to timing chain??

September 2010

Q: when did england last play in world cup semi final?A: 2018

Input: what was the last season of prison break?

Output: fifth

who sings but i still haven't found what i'm looking for???

Answer:
Irish rock band U2