Question: how many times did alabama win the national championship
[{'answer': '16', 'provenance': [{'wikipedia_id': '7751357', 'title': 'Alabama Crimson Tide football', 'start_paragraph_id': 33, 'start_character': 441, 'end_paragraph_id': 33, 'end_character': 443, 'bleu_score': 1.0, 'section': 'Section::::History.:Conference championships.\n'}]}, {'provenance': [{'wikipedia_id': '7751357', 'title': 'Alabama Crimson Tide football', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1048, 'bleu_score': 0.9580210109782, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16267914468293375409}, 'section': 'Section::::Abstract.'}]}]