Question: how many episodes in andi mack season 1
[{'answer': '12', 'provenance': [{'wikipedia_id': '52842706', 'title': 'Andi Mack', 'start_paragraph_id': 30, 'start_character': 419, 'end_paragraph_id': 30, 'end_character': 421, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}]