Question: what network is broadcasting the ncaa basketball tournament
[{'answer': 'CBS', 'provenance': [{'wikipedia_id': '31136575', 'title': 'NCAA March Madness (TV program)', 'start_paragraph_id': 1, 'start_character': 132, 'end_paragraph_id': 1, 'end_character': 135, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'TNT', 'provenance': [{'wikipedia_id': '31136575', 'title': 'NCAA March Madness (TV program)', 'start_paragraph_id': 1, 'start_character': 397, 'end_paragraph_id': 1, 'end_character': 400, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'TBS', 'provenance': [{'wikipedia_id': '31136575', 'title': 'NCAA March Madness (TV program)', 'start_paragraph_id': 1, 'start_character': 402, 'end_paragraph_id': 1, 'end_character': 405, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'truTV', 'provenance': [{'wikipedia_id': '31136575', 'title': 'NCAA March Madness (TV program)', 'start_paragraph_id': 1, 'start_character': 410, 'end_paragraph_id': 1, 'end_character': 415, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31136575', 'title': 'NCAA March Madness (TV program)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 472, 'bleu_score': 0.8209673849611311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3280538405337748804}, 'section': 'Section::::Abstract.'}]}]