Question: when do dr brennan and booth get together
[{'answer': 'season 6', 'provenance': [{'wikipedia_id': '11582552', 'title': 'Temperance "Bones" Brennan', 'start_paragraph_id': 8, 'start_character': 564, 'end_paragraph_id': 8, 'end_character': 572, 'bleu_score': 1.0, 'section': 'Section::::Character history.\n'}]}, {'provenance': [{'wikipedia_id': '11582552', 'title': 'Temperance "Bones" Brennan', 'start_paragraph_id': 50, 'start_character': 0, 'end_paragraph_id': 50, 'end_character': 657, 'bleu_score': 0.9839344367380701, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5130149347333415430}, 'section': 'Section::::Relationships.:Seeley Booth.\n'}]}]