Question: who was the italian poet who perfected the sonnet
[{'answer': 'Petrarch', 'provenance': [{'wikipedia_id': '23734', 'title': 'Petrarch', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 8, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23734', 'title': 'Petrarch', 'start_paragraph_id': 34, 'start_character': 0, 'end_paragraph_id': 34, 'end_character': 801, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11395355655772843626}, 'section': 'Section::::Dante.\n'}]}]