Question: how long did the tv series bonanza run
[{'answer': '14 seasons', 'provenance': [{'wikipedia_id': '180093', 'title': 'Bonanza', 'start_paragraph_id': 1, 'start_character': 92, 'end_paragraph_id': 1, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '180093', 'title': 'Bonanza', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 786, 'bleu_score': 0.9420784379339081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7138932676859024399}, 'section': 'Section::::Abstract.'}]}]