Question: how many episodes does voltron legendary defender season 3 have
[{'answer': '7', 'provenance': [{'wikipedia_id': '49375739', 'title': 'Voltron: Legendary Defender', 'start_paragraph_id': 2, 'start_character': 103, 'end_paragraph_id': 2, 'end_character': 104, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]