user: Question: What Label released a CD single in 1993?
Columns: ['Date', 'Label', 'Region', 'Format', 'Catalog']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['October 1992', 'Polydor', 'France', 'CD single - Promo', '4288']
SQL:

assistant: SELECT "Label" FROM "Table" WHERE "Format" = 'CD single' AND "Date" = '1993';