Question: who is the current leader of the official opposition in canada
[{'answer': 'Andrew Scheer', 'provenance': [{'wikipedia_id': '711418', 'title': 'List of Leaders of the Official Opposition (Canada)', 'start_paragraph_id': 3, 'start_character': 34, 'end_paragraph_id': 3, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '711418', 'title': 'List of Leaders of the Official Opposition (Canada)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 145, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17712713932949431577}, 'section': 'Section::::Abstract.'}]}]