Question: when was coffee first made into a drink
[{'answer': 'the 15th century', 'provenance': [{'wikipedia_id': '5612891', 'title': 'History of coffee', 'start_paragraph_id': 1, 'start_character': 36, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '15th century', 'provenance': [{'wikipedia_id': '5612891', 'title': 'History of coffee', 'start_paragraph_id': 1, 'start_character': 40, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5612891', 'title': 'History of coffee', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 130, 'bleu_score': 0.594909997868306, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17916334688742705093}, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '5612891', 'title': 'History of coffee', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17916334688742705093}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5612891', 'title': 'History of coffee', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 653, 'bleu_score': 0.805668194247791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17916334688742705093}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5612891', 'title': 'History of coffee', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['15th century', 'The earliest substantiated evidence of either coffee drinking or knowledge of the coffee tree is from the early 15th century', 'The history of coffee dates back to the 15th century, and possibly earlier with a number of reports and legends surrounding its first use.']}}]}]