Question: how many episodes in season 2 of aquarius
[{'answer': '13', 'provenance': [{'wikipedia_id': '43238440', 'title': 'Aquarius (American TV series)', 'start_paragraph_id': 58, 'start_character': 91, 'end_paragraph_id': 58, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Broadcast.\n'}]}]