Question: when did game of thrones get ahead of the books
[{'answer': 'in the sixth season', 'provenance': [{'wikipedia_id': '20715044', 'title': 'Game of Thrones', 'start_paragraph_id': 42, 'start_character': 61, 'end_paragraph_id': 42, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Production.:Adaptation schedule and episodes.\n'}]}, {'provenance': [{'wikipedia_id': '20715044', 'title': 'Game of Thrones', 'start_paragraph_id': 42, 'start_character': 0, 'end_paragraph_id': 42, 'end_character': 558, 'bleu_score': 0.740703772300344, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4292926892506592651}, 'section': 'Section::::Production.:Adaptation schedule and episodes.\n'}]}]