Question: what kind of bbq sauce does burger king use
[{'answer': "Sweet Baby Ray 's", 'provenance': [{'wikipedia_id': '6321640', 'title': "Bull's-Eye Barbecue Sauce", 'start_paragraph_id': 5, 'start_character': 140, 'end_paragraph_id': 5, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Burger King.\n'}]}, {'provenance': [{'wikipedia_id': '6321640', 'title': "Bull's-Eye Barbecue Sauce", 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 168, 'bleu_score': 0.878714225477435, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9414725429212813679}, 'section': 'Section::::Burger King.\n'}]}]