Question: who was the prime minister of piedmont who organized the italian unification movement
[{'answer': 'Count Cavour', 'provenance': [{'wikipedia_id': '59642', 'title': 'Italian unification', 'start_paragraph_id': 51, 'start_character': 954, 'end_paragraph_id': 51, 'end_character': 966, 'bleu_score': 1.0, 'section': 'Section::::Revolutions of 1848–1849 and First Italian War of Independence.:Cavour and the prospects for unification.\n'}]}]