when did north korea start competing in the olympics???

Answer: 1964
Question: where is x factor filmed 2017 live shows?

Answer: LH2 Studios in London
Answer this question: who has the most followers on youtube 2018??

PewDiePie
Q: who played the silver surfer in the fantastic four?A: Doug Jones
Input: what's the latest season of big bang theory?

Output: The eleventh season
Please answer this: when did six flags great adventure first open?
June 30, 1974