Question: how long did the cast of jersey shore stay in italy
[{'answer': 'the first half of 2011', 'provenance': [{'wikipedia_id': '25282459', 'title': 'Jersey Shore (TV series)', 'start_paragraph_id': 12, 'start_character': 119, 'end_paragraph_id': 12, 'end_character': 141, 'bleu_score': 1.0, 'section': 'Section::::Production history.\n'}]}, {'provenance': [{'wikipedia_id': '25282459', 'title': 'Jersey Shore (TV series)', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 267, 'bleu_score': 0.959574895300321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2799077724106020535}, 'section': 'Section::::Production history.\n'}]}]