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how long is game of thrones season 7 premiere
Unlike previous seasons, which consisted of ten episodes each, the seventh Game of Thrones season consisted of only seven episodes.
when did game of thrones season 7 premiere
The seventh and penultimate season of the fantasy drama television series Game of Thrones premiered on HBO on July 16, 2017, and concluded on August 27, 2017.

Question: what happened in the season
Self-contained rewrite: what happened in game of thrones season 7