Question: when did the hudson's bay company start
[{'answer': '1670', 'provenance': [{'wikipedia_id': '13297', 'title': "Hudson's Bay Company", 'start_paragraph_id': 2, 'start_character': 48, 'end_paragraph_id': 2, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]