Question: when did university of maryland win the national championship
[{'answer': '2002', 'provenance': [{'wikipedia_id': '9721922', 'title': "Maryland Terrapins men's basketball", 'start_paragraph_id': 2, 'start_character': 164, 'end_paragraph_id': 2, 'end_character': 168, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9721922', 'title': "Maryland Terrapins men's basketball", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 364, 'bleu_score': 0.9657992495762461, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12613185160996988537}, 'section': 'Section::::Abstract.'}]}]