Question: what type of breed is an american bulldog
[{'answer': 'utility dog', 'provenance': [{'wikipedia_id': '644051', 'title': 'American Bulldog', 'start_paragraph_id': 1, 'start_character': 41, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]