Question: how many goals did cristiano ronaldo score for man utd
[{'answer': '84', 'provenance': [{'wikipedia_id': '623737', 'title': 'Cristiano Ronaldo', 'start_paragraph_id': 80, 'start_character': 733, 'end_paragraph_id': 80, 'end_character': 735, 'bleu_score': 1.0, 'section': 'Section::::International career.:2016–18: Post-European Championship victory, and World Cup.\n'}]}]