Question: what company makes a and w root beer
[{'answer': 'A&W Canada', 'provenance': [{'wikipedia_id': '1015379', 'title': 'A&W Root Beer', 'start_paragraph_id': 14, 'start_character': 14, 'end_paragraph_id': 14, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'Keurig Dr Pepper', 'provenance': [{'wikipedia_id': '1015379', 'title': 'A&W Root Beer', 'start_paragraph_id': 2, 'start_character': 57, 'end_paragraph_id': 2, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]