Question: when is season 8 for game of thrones
[{'answer': '2019', 'provenance': [{'wikipedia_id': '53470508', 'title': 'Game of Thrones (season 8)', 'start_paragraph_id': 1, 'start_character': 126, 'end_paragraph_id': 1, 'end_character': 130, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'in 2019'}, {'provenance': [{'wikipedia_id': '60498167', 'title': 'Winterfell (Game of Thrones episode)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['"Winterfell" is the eighth season premiere episode of HBO\'s fantasy television series "Game of Thrones", and the 68th overall. It was written by Dave Hill and directed by David Nutter. It aired on April 14, 2019.', '"Winterfell" is the eighth season premiere episode of HBO\'s fantasy television series "Game of Thrones", and the 68th overall. It was written by Dave Hill and directed by David Nutter. It aired on April 14, 2019.']}}]}, {'provenance': [{'wikipedia_id': '53470508', 'title': 'Game of Thrones (season 8)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The eighth and final season of the fantasy drama television series "Game of Thrones", produced by HBO, premiered on April 14, 2019, and concluded on May 19, 2019.', 'The eighth and final season of the fantasy drama television series "Game of Thrones", produced by HBO, premiered on April 14, 2019, and concluded on May 19, 2019.', 'The eighth and final season of the fantasy drama television series "Game of Thrones", produced by HBO, premiered on April 14, 2019, and concluded on May 19, 2019. Unlike the first six seasons, which consisted of ten episodes each, and the seventh season, which consisted of seven episodes, the eighth season consists of only six episodes.']}}]}]