Question: how long is the legend of korra game
[{'answer': 'about four to six hours', 'provenance': [{'wikipedia_id': '43163633', 'title': 'The Legend of Korra (video game)', 'start_paragraph_id': 7, 'start_character': 15, 'end_paragraph_id': 7, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::Gameplay.\n'}]}, {'provenance': [{'wikipedia_id': '43163633', 'title': 'The Legend of Korra (video game)', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 435, 'bleu_score': 0.9075342801721581, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7019202587713804984}, 'section': 'Section::::Gameplay.\n'}]}]