Question: 1. how many teams currently compete in the canadian football league (cfl)
[{'answer': 'nine teams', 'provenance': [{'wikipedia_id': '56802', 'title': 'Canadian Football League', 'start_paragraph_id': 1, 'start_character': 169, 'end_paragraph_id': 1, 'end_character': 179, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]