user: Question: What's the sales breakdown of the Nintendo game released on May 15, 2006?
Columns: ['Title', 'Total copies sold', 'Sales breakdown', 'Genre', 'Release date', 'Developer', 'Publisher']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['New Super Mario Bros.', '30.38 million', 'N/A', 'Platform game', 'May 15, 2006', 'Nintendo EAD (Group 4)', 'Nintendo']
SQL:

assistant: SELECT "Sales breakdown" FROM "Table" WHERE "Publisher" = 'Nintendo' AND "Release date" = 'May 15, 2006';