Question: what are canada's four major primary industries
[{'answer': 'Agriculture', 'provenance': [{'wikipedia_id': '5195', 'title': 'Economy of Canada', 'start_paragraph_id': 46, 'start_character': 11, 'end_paragraph_id': 46, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Key industries.:Energy.\n'}]}, {'answer': 'Energy', 'provenance': [{'wikipedia_id': '5195', 'title': 'Economy of Canada', 'start_paragraph_id': 42, 'start_character': 11, 'end_paragraph_id': 42, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Key industries.:Manufacturing.\n'}]}, {'answer': 'Fishing', 'provenance': [{'wikipedia_id': '5195', 'title': 'Economy of Canada', 'start_paragraph_id': 2, 'start_character': 385, 'end_paragraph_id': 2, 'end_character': 392, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Forestry', 'provenance': [{'wikipedia_id': '5195', 'title': 'Economy of Canada', 'start_paragraph_id': 7, 'start_character': 136, 'end_paragraph_id': 7, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Overview.\n'}]}]