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

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'))