Question: how many chemicals are in a cup of coffee
[{'answer': 'More than 1,000', 'provenance': [{'wikipedia_id': '41936356', 'title': 'List of coffee chemicals', 'start_paragraph_id': 1, 'start_character': 10, 'end_paragraph_id': 1, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41936356', 'title': 'List of coffee chemicals', 'start_paragraph_id': 1, 'start_character': 10, 'end_paragraph_id': 1, 'end_character': 833, 'bleu_score': 0.913094940817287, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16539116555144779153}, 'section': 'Section::::Abstract.'}]}]