Question: how many seasons of being maryjane are there
[{'answer': '4', 'provenance': [{'wikipedia_id': '35553313', 'title': 'Being Mary Jane', 'start_paragraph_id': 1, 'start_character': 139, 'end_paragraph_id': 1, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]