Question: the dates of the 2015 british open golf championship
[{'answer': '16 -- 20 July'}, {'provenance': [{'wikipedia_id': '43524233', 'title': '2015 Open Championship', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 293, 'bleu_score': 0.900181664963514, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3133136810143677615}, 'section': 'Section::::Abstract.'}]}]