Question: how many majors are there in pga golf
[{'answer': 'four', 'provenance': [{'wikipedia_id': '1506950', 'title': "Men's major golf championships", 'start_paragraph_id': 1, 'start_character': 127, 'end_paragraph_id': 1, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1506950', 'title': "Men's major golf championships", 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 1115, 'bleu_score': 0.9892179350238061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1038837426415496042}, 'section': 'Section::::History.\n'}]}]