Question: when did kingdom of the crystal skull take place
[{'answer': '1957', 'provenance': [{'wikipedia_id': '1252914', 'title': 'Indiana Jones and the Kingdom of the Crystal Skull', 'start_paragraph_id': 1, 'start_character': 247, 'end_paragraph_id': 1, 'end_character': 251, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1252914', 'title': 'Indiana Jones and the Kingdom of the Crystal Skull', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 582, 'bleu_score': 0.9415674898824081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1655036930185089259}, 'section': 'Section::::Abstract.'}]}]