Question: uefa champions league how many teams from each country
[{'answer': 'five', 'provenance': [{'wikipedia_id': '44220', 'title': 'UEFA Champions League', 'start_paragraph_id': 2, 'start_character': 494, 'end_paragraph_id': 2, 'end_character': 498, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]