Question: when did season 1 of arrow come out
[{'answer': 'October 10 , 2012', 'provenance': [{'wikipedia_id': '47348327', 'title': 'Arrow (season 1)', 'start_paragraph_id': 73, 'start_character': 58, 'end_paragraph_id': 73, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Release.:Broadcast.\n'}]}, {'provenance': [{'wikipedia_id': '47348327', 'title': 'Arrow (season 1)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 388, 'bleu_score': 0.6890330350400721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10857473259366696994}, 'section': 'Section::::Abstract.'}]}]