user: Question: What is the overall length with a designation of S-8KO?
Columns: ['Designation', 'Type', 'Length overall', 'Launch weight', 'Warhead weight', 'Range']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['S-8KO', 'HEAT', '1.57 m', '11.3kg', '3.6kg (0.9kg of explosive)', '1.3 to 4km']
SQL:

assistant: SELECT "Length overall" FROM "Table" WHERE "Designation" = 'S-8KO';