CREATE TABLE table_202_82 (id NUMBER, "weapon name" CLOB, "caliber  ( mm ) " CLOB, "range  ( max ) " CLOB, "warhead" CLOB)

which three weapons have the highest caliber ?
SELECT "weapon name" FROM table_202_82 ORDER BY "caliber (mm)" DESC LIMIT 3
SELECT "weapon name" FROM "table_202_82" ORDER BY "caliber (mm)" DESC FETCH FIRST 3 ROWS ONLY