Question: when did ronaldo score his first hat trick
[{'answer': '12 January 2008', 'provenance': [{'wikipedia_id': '623737', 'title': 'Cristiano Ronaldo', 'start_paragraph_id': 22, 'start_character': 107, 'end_paragraph_id': 22, 'end_character': 122, 'bleu_score': 1.0, 'section': 'Section::::Club career.:Manchester United.:2007–08: Collective and individual success.\n'}]}, {'provenance': [{'wikipedia_id': '623737', 'title': 'Cristiano Ronaldo', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 784, 'bleu_score': 0.7431566679036711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15039742845714044714}, 'section': 'Section::::Club career.:Manchester United.:2007–08: Collective and individual success.\n'}]}]