Question: when did the pilgrims came over on the mayflower
[{'answer': '1620', 'provenance': [{'wikipedia_id': '18622102', 'title': 'Mayflower', 'start_paragraph_id': 1, 'start_character': 152, 'end_paragraph_id': 1, 'end_character': 156, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18622102', 'title': 'Mayflower', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 679, 'bleu_score': 0.607087893321253, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3471310082030547017}, 'section': 'Section::::Abstract.'}]}]