Question: where was the last european football championship held
[{'answer': 'France', 'provenance': [{'wikipedia_id': '249510', 'title': 'UEFA European Championship', 'start_paragraph_id': 3, 'start_character': 124, 'end_paragraph_id': 3, 'end_character': 130, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '249510', 'title': 'UEFA European Championship', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 278, 'bleu_score': 0.8703737209656041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6215603194401841511}, 'section': 'Section::::Abstract.'}]}]