Question: when did the pilgrims come to north america
[{'answer': '16th -- 17th'}, {'provenance': [{'wikipedia_id': '40442', 'title': 'Pilgrims (Plymouth Colony)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 920, 'bleu_score': 0.72519303674321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9616275308603353936}, 'section': 'Section::::Abstract.'}]}]