Question: when did the young bucks join bullet club
[{'answer': '2013', 'provenance': [{'wikipedia_id': '39871658', 'title': 'Bullet Club', 'start_paragraph_id': 2, 'start_character': 28, 'end_paragraph_id': 2, 'end_character': 32, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39871658', 'title': 'Bullet Club', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1072, 'bleu_score': 0.9507736675111831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5480371918298029118}, 'section': 'Section::::Abstract.'}]}]