Question: who was involved in the creation of the canadian food guide
[{'answer': 'Health Canada', 'provenance': [{'wikipedia_id': '3875589', 'title': "Canada's Food Guide", 'start_paragraph_id': 1, 'start_character': 53, 'end_paragraph_id': 1, 'end_character': 66, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]