user: Question: who is the buena vista edidtion where special edition is Koichi Sakaguchi?
Columns: ['Character', 'English version', 'Laserdisc edition', 'Buena Vista edition', 'Special edition']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ["Br'er Rabbit", 'Johnny Lee', 'Masashi Ebara', 'Shigeru Chiba', 'Koichi Sakaguchi']
SQL:

assistant: SELECT "Buena Vista edition" FROM "Table" WHERE "Special edition" = 'Koichi Sakaguchi';