Question: what is the legal driving age in alberta
[{'answer': '14', 'provenance': [{'wikipedia_id': '28538097', 'title': 'List of countries by minimum driving age', 'start_paragraph_id': 1, 'start_character': 887, 'end_paragraph_id': 1, 'end_character': 889, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]