CREATE TABLE table_204_225 (id DECIMAL, "rank" DECIMAL, "country/territory" TEXT, "miss supranational" DECIMAL, "1st runner-up" DECIMAL, "2nd runner-up" DECIMAL, "3rd runner-up" DECIMAL, "4th runner-up" DECIMAL, "semifinalists" DECIMAL, "total" DECIMAL)

what is the difference in semifinalists between panama and vietnam ?
SELECT (SELECT "semifinalists" FROM table_204_225 WHERE "country/territory" = 'panama') - (SELECT "semifinalists" FROM table_204_225 WHERE "country/territory" = 'vietnam')
SELECT (SELECT "semifinalists" FROM "table_204_225" WHERE "country/territory" = 'panama') - (SELECT "semifinalists" FROM "table_204_225" WHERE "country/territory" = 'vietnam')