Question: when was pirates of the caribbean on stranger tides filmed
[{'answer': 'June 14 , 2010', 'provenance': [{'wikipedia_id': '24314116', 'title': 'Pirates of the Caribbean: On Stranger Tides', 'start_paragraph_id': 55, 'start_character': 31, 'end_paragraph_id': 55, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Production.:Filming.\n'}]}, {'provenance': [{'wikipedia_id': '24314116', 'title': 'Pirates of the Caribbean: On Stranger Tides', 'start_paragraph_id': 55, 'start_character': 0, 'end_paragraph_id': 55, 'end_character': 1032, 'bleu_score': 0.9884053071617651, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7514081843087169257}, 'section': 'Section::::Production.:Filming.\n'}]}]