Question: what year did rachel have emma on friends
[{'answer': '2002', 'provenance': [{'wikipedia_id': '27716091', 'title': 'Friends (season 8)', 'start_paragraph_id': 1, 'start_character': 304, 'end_paragraph_id': 1, 'end_character': 308, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]