Question: when did the wild wild west go to color
[{'answer': '1966 - 67 season', 'provenance': [{'wikipedia_id': '368071', 'title': 'The Wild Wild West', 'start_paragraph_id': 49, 'start_character': 387, 'end_paragraph_id': 49, 'end_character': 402, 'bleu_score': 1.0, 'section': 'Section::::Production.:Train.\n'}]}, {'provenance': [{'wikipedia_id': '368071', 'title': 'The Wild Wild West', 'start_paragraph_id': 49, 'start_character': 0, 'end_paragraph_id': 49, 'end_character': 401, 'bleu_score': 0.9699161750394991, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14647182632259346300}, 'section': 'Section::::Production.:Train.\n'}]}]