Question: when did the sega mega drive come out
[{'answer': '1988', 'provenance': [{'wikipedia_id': '2639573', 'title': 'Sega Genesis', 'start_paragraph_id': 1, 'start_character': 252, 'end_paragraph_id': 1, 'end_character': 256, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2639573', 'title': 'Sega Genesis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 532, 'bleu_score': 0.7180491981812971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5297046461502692017}, 'section': 'Section::::Abstract.'}]}]