CREATE TABLE table_204_731 (id NUMBER, "rank" NUMBER, "athlete" CLOB, "shooting\ score  ( pts ) " CLOB, "fencing\ victories  ( pts ) " CLOB, "swimming\ time  ( pts ) " CLOB, "riding\ penalties  ( pts ) " CLOB, "running\ time  ( pts ) " CLOB, "total" NUMBER)

what is the difference between andrey moiseev 's total score and marcin horbacz 's total score ?
SELECT ABS((SELECT "total" FROM table_204_731 WHERE "athlete" = 'andrey moiseev') - (SELECT "total" FROM table_204_731 WHERE "athlete" = 'marcin horbacz'))
SELECT ABS((SELECT "total" FROM "table_204_731" WHERE "athlete" = 'andrey moiseev') - (SELECT "total" FROM "table_204_731" WHERE "athlete" = 'marcin horbacz'))