Question: when do seven of nine and chakotay get together
[{'answer': 'in the series finale Endgame', 'provenance': [{'wikipedia_id': '97368', 'title': 'Seven of Nine', 'start_paragraph_id': 3, 'start_character': 418, 'end_paragraph_id': 3, 'end_character': 440, 'bleu_score': 0.668740304976422, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '97368', 'title': 'Seven of Nine', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 745, 'bleu_score': 0.7134167505830661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14341685061578418471}, 'section': 'Section::::Abstract.'}]}]