Question: how many times did rcb come to finals
[{'answer': 'three', 'provenance': [{'wikipedia_id': '15861688', 'title': 'Royal Challengers Bangalore', 'start_paragraph_id': 1, 'start_character': 228, 'end_paragraph_id': 1, 'end_character': 233, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15861688', 'title': 'Royal Challengers Bangalore', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 480, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9587650290700723428}, 'section': 'Section::::Abstract.'}]}]