Question:  "Green Arrow" is the 70th episode of a TV series that premiered in what year?
Sentence (from "Arrow (TV series)"): Primarily filmed in Vancouver, British Columbia, Canada, the series follows billionaire playboy Oliver Queen (Stephen Amell), who, five years after being stranded on a hostile island, returns home to fight crime and corruption as a secret vigilante whose weapon of choice is a bow and arrow.
Relevant evidence: No