Question: when was once upon a time in the west made
[{'answer': 'Cinecittà studios , Rome', 'provenance': [{'wikipedia_id': '284676', 'title': 'Once Upon a Time in the West', 'start_paragraph_id': 46, 'start_character': 36, 'end_paragraph_id': 46, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Production.:Locations.\n'}]}, {'answer': 'La Calahorra , county of Gaudix , near Guadix , in the Province of Granada , Spain'}, {'answer': 'a small airport fifteen miles north of Monument Valley , in Utah'}, {'provenance': [{'wikipedia_id': '284676', 'title': 'Once Upon a Time in the West', 'start_paragraph_id': 47, 'start_character': 0, 'end_paragraph_id': 47, 'end_character': 554, 'bleu_score': 0.543934125904394, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5183349499796765343}, 'section': 'Section::::Production.:Locations.\n'}]}]