Question: who won the boxing between joshua and klitschko
[{'answer': 'Joshua', 'provenance': [{'wikipedia_id': '53353792', 'title': 'Anthony Joshua vs. Wladimir Klitschko', 'start_paragraph_id': 0, 'start_character': 8, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53353792', 'title': 'Anthony Joshua vs. Wladimir Klitschko', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 437, 'bleu_score': 0.9279747705872711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10401770844281329605}, 'section': 'Section::::Abstract.'}]}]