CREATE TABLE table_203_283 (id NUMBER, "#" NUMBER, "name" CLOB, "strike tone\ ( st-1/16 ) " CLOB, "weight\ ( kg ) " NUMBER, "diameter\ ( mm ) " NUMBER, "inscription" CLOB)

what is the diameter of the smallest bell ?
SELECT MIN("diameter\n(mm)") FROM table_203_283
SELECT MIN("diameter\n(mm)") FROM "table_203_283"