Question: when do booth and brennan sleep together for the first time
[{'answer': 'episode 22 of season 6', 'provenance': [{'wikipedia_id': '11582552', 'title': 'Temperance "Bones" Brennan', 'start_paragraph_id': 50, 'start_character': 3, 'end_paragraph_id': 50, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Relationships.:Seeley Booth.\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': 9399818771911581199}, 'section': 'Section::::Relationships.:Seeley Booth.\n'}]}]