Question: who is regarded as the first important artist of the italian renaissance
[{'answer': 'Giotto', 'provenance': [{'wikipedia_id': '11335226', 'title': 'Italian Renaissance painting', 'start_paragraph_id': 4, 'start_character': 71, 'end_paragraph_id': 4, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]