Question: how many episodes in the final season of game of thrones
[{'answer': 'six', 'provenance': [{'wikipedia_id': '53470508', 'title': 'Game of Thrones (season 8)', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]