user: Question: Which Release date has a Required OS of Windows, a Type of 2D, and a Developer(s) of Zeonix?
Columns: ['Developer(s)', 'Release date', 'Required OS', 'Payment', 'Type']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Microsoft Research', 'March 16, 2000', 'Windows', 'Free to play', '3D']
SQL:

assistant: SELECT "Release date" FROM "Table" WHERE "Required OS" = 'Windows' AND "Type" = '2D' AND "Developer(s)" = 'Zeonix';