Question: what year did the mayflower land on plymouth bay
[{'answer': '1620', 'provenance': [{'wikipedia_id': '218110', 'title': 'Plymouth Colony', 'start_paragraph_id': 1, 'start_character': 95, 'end_paragraph_id': 1, 'end_character': 99, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '218110', 'title': 'Plymouth Colony', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 980, 'bleu_score': 0.9881300380564421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17922069233301659189}, 'section': 'Section::::History.:Landings at Provincetown and Plymouth.\n'}]}]