CREATE TABLE table_204_828 (id NUMBER, "whitworth size  ( in ) " NUMBER, "core diameter  ( in ) " NUMBER, "threads per inch" NUMBER, "pitch  ( in ) " NUMBER, "tapping drill size" CLOB)

what is the core diameter of the last whitworth thread size ?
SELECT "core diameter (in)" FROM table_204_828 ORDER BY id DESC LIMIT 1
SELECT "core diameter (in)" FROM "table_204_828" ORDER BY "id" DESC FETCH FIRST 1 ROWS ONLY