Question: how many episodes in season 1 of la to vegas
[{'answer': '15', 'provenance': [{'wikipedia_id': '54013294', 'title': 'LA to Vegas', 'start_paragraph_id': 2, 'start_character': 75, 'end_paragraph_id': 2, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]