Question: what is the name of the capital city of canada
[{'answer': 'Ottawa', 'provenance': [{'wikipedia_id': '22219', 'title': 'Ottawa', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 6, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '22219', 'title': 'Ottawa', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 449, 'bleu_score': 0.8938427146075001, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8038653614891296232}, 'section': 'Section::::Abstract.'}]}]