Question: how many pga tour events are there in a year
[{'answer': '48', 'provenance': [{'wikipedia_id': '54908596', 'title': '2018 PGA Tour', 'start_paragraph_id': 4, 'start_character': 23, 'end_paragraph_id': 4, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Schedule.\n'}]}, {'provenance': [{'wikipedia_id': '54908596', 'title': '2018 PGA Tour', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 412, 'bleu_score': 0.9033515796632721, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2273570066636101261}, 'section': 'Section::::Schedule.\n'}]}]