Question: where will the ncaa basketball championship be played in 2018
[{'answer': 'April 2', 'provenance': [{'wikipedia_id': '44536967', 'title': "2018 NCAA Division I Men's Basketball Tournament", 'start_paragraph_id': 1, 'start_character': 355, 'end_paragraph_id': 1, 'end_character': 362, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44536967', 'title': "2018 NCAA Division I Men's Basketball Tournament", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 401, 'bleu_score': 0.506060381903737, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16909393205480497285}, 'section': 'Section::::Abstract.'}]}]