Question: Which Back has a Supplier of Kooga and a Year of 2006-2008?
SQL: SELECT "Back" FROM "2-1620305-1" WHERE "Supplier" = 'Kooga' AND "Year" = '2006-2008';

Question: Which Supplier has a Year of 2006-2008?
SQL: SELECT "Supplier" FROM "2-1620305-1" WHERE "Year" = '2006-2008';

Question: Which Sleeves have a Back of unknown?
SQL: SELECT "Sleeves" FROM "2-1620305-1" WHERE "Back" = 'unknown';

Question: What is the Year for Supplier Kooga?
SQL: SELECT "Year" FROM "2-1620305-1" WHERE "Supplier" = 'Kooga';

Question: Which Sleeves have a Year of 2006-2008?
SQL: SELECT "Sleeves" FROM "2-1620305-1" WHERE "Year" = '2006-2008';

Question: Which Chest is Supplied by Gilbert?
SQL: SELECT "Chest" FROM "2-1620305-1" WHERE "Supplier" = 'Gilbert';