Question: who is running for canadian prime minister 2019
[{'answer': 'Justin Trudeau', 'provenance': [{'wikipedia_id': '48456232', 'title': '2019 Canadian federal election', 'start_paragraph_id': 4, 'start_character': 78, 'end_paragraph_id': 4, 'end_character': 92, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}, {'answer': 'Andrew Scheer', 'provenance': [{'wikipedia_id': '48456232', 'title': '2019 Canadian federal election', 'start_paragraph_id': 94, 'start_character': 26, 'end_paragraph_id': 94, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Timeline.:2017.\n'}]}, {'answer': 'Jagmeet Singh', 'provenance': [{'wikipedia_id': '48456232', 'title': '2019 Canadian federal election', 'start_paragraph_id': 5, 'start_character': 234, 'end_paragraph_id': 5, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Background.\n'}]}]