Question: what is the name of the currency used in france
[{'answer': 'euro', 'provenance': [{'wikipedia_id': '444835', 'title': 'French franc', 'start_paragraph_id': 1, 'start_character': 646, 'end_paragraph_id': 1, 'end_character': 650, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]