Question: who is the owner of barcelona football club
[{'answer': 'Josep Maria Bartomeu', 'provenance': [{'wikipedia_id': '68187', 'title': 'FC Barcelona', 'start_paragraph_id': 59, 'start_character': 402, 'end_paragraph_id': 59, 'end_character': 422, 'bleu_score': 1.0, 'section': 'Section::::History.:2014–present: Bartomeu era.\n'}]}]