Question: when was it discovered that the moon controls the tides
[{'answer': '1609', 'provenance': [{'wikipedia_id': '10610469', 'title': 'Theory of tides', 'start_paragraph_id': 4, 'start_character': 3, 'end_paragraph_id': 4, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::History.:Kepler.\n'}]}, {'provenance': [{'wikipedia_id': '10610469', 'title': 'Theory of tides', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 277, 'bleu_score': 0.9529077664391161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 748457171247951098}, 'section': 'Section::::History.:Kepler.\n'}]}]