Question: in which city did organized option markets originate
[{'answer': 'Osaka , Japan', 'provenance': [{'wikipedia_id': '243931', 'title': 'Futures exchange', 'start_paragraph_id': 10, 'start_character': 89, 'end_paragraph_id': 10, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::History.:Modern era.\n'}]}, {'provenance': [{'wikipedia_id': '243931', 'title': 'Futures exchange', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 101, 'bleu_score': 0.8852140475440831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4300487171953510519}, 'section': 'Section::::History.:Modern era.\n'}]}]