Question: when did pokemon first come out in japan
[{'answer': 'February 27 , 1996', 'provenance': [{'wikipedia_id': '23745', 'title': 'Pokémon', 'start_paragraph_id': 78, 'start_character': 771, 'end_paragraph_id': 78, 'end_character': 789, 'bleu_score': 1.0, 'section': 'Section::::Cultural influence.\n'}]}]