Question: how many black eyed pea restaurants are there
[{'answer': '10', 'provenance': [{'wikipedia_id': '6709283', 'title': 'Black-eyed Pea (restaurant)', 'start_paragraph_id': 10, 'start_character': 32, 'end_paragraph_id': 10, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]