user: Question: What type of format was released after 1979?
Columns: ['Release format', 'Country', 'Label', 'Cat. No.', 'Release date']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Vinyl', 'West Germany 1', 'Ariola', '25 900 OT', 1978.0]
SQL:

assistant: SELECT "Release format" FROM "Table" WHERE "Release date" > 1979.0;