user: Question: What format for the release that had 2000 copies?
Columns: ['Date', 'Single', 'Backed with', 'Record label', 'Format', 'Other details']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2008.0, 'Wild Eyes', 'My Baby Wants Me Dead', 'Plays With Dolls / Wild World', '7" single', '4000 copies']
SQL:

assistant: SELECT "Format" FROM "Table" WHERE "Other details" = '2000 copies';