Question: what is the name of the square in venice italy
[{'answer': 'Piazza San Marco', 'provenance': [{'wikipedia_id': '101348', 'title': 'Piazza San Marco', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '101348', 'title': 'Piazza San Marco', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 572, 'bleu_score': 0.8922827926521141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9821168308246738369}, 'section': 'Section::::Abstract.'}]}]