Question: how many episodes in our girl season 3
[{'answer': 'twelve', 'provenance': [{'wikipedia_id': '38909754', 'title': 'Our Girl', 'start_paragraph_id': 2, 'start_character': 353, 'end_paragraph_id': 2, 'end_character': 359, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]