Question: nba rules who can call a time out
[{'answer': 'a player in the game', 'provenance': [{'wikipedia_id': '1241134', 'title': 'Time-out (sport)', 'start_paragraph_id': 11, 'start_character': 237, 'end_paragraph_id': 11, 'end_character': 257, 'bleu_score': 1.0, 'section': 'Section::::List of time-out rules by sport.:Basketball.\n'}]}, {'answer': 'the head coach', 'provenance': [{'wikipedia_id': '1241134', 'title': 'Time-out (sport)', 'start_paragraph_id': 11, 'start_character': 261, 'end_paragraph_id': 11, 'end_character': 275, 'bleu_score': 1.0, 'section': 'Section::::List of time-out rules by sport.:Basketball.\n'}]}, {'provenance': [{'wikipedia_id': '1241134', 'title': 'Time-out (sport)', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 352, 'bleu_score': 0.505969399564124, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4133563428753925248}, 'section': 'Section::::List of time-out rules by sport.:Basketball.\n'}]}]