Question: how many seasons of rob and big are there
[{'answer': 'three seasons', 'provenance': [{'wikipedia_id': '7610489', 'title': 'Rob & Big', 'start_paragraph_id': 1, 'start_character': 270, 'end_paragraph_id': 1, 'end_character': 283, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7610489', 'title': 'Rob & Big', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 391, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12698952413548825336}, 'section': 'Section::::Abstract.'}]}]