CREATE TABLE table_204_794 (id DECIMAL, "iec\ world plugs\ Type" TEXT, "standard" TEXT, "power\ rating" TEXT, "earthed" TEXT, "polarised" TEXT, "fused" TEXT, "insulated\ pins" TEXT, "europlug\ compatible" TEXT)

how many plugs in the list are not earthed ?
SELECT COUNT(*) FROM table_204_794 WHERE "earthed" = 'no'
SELECT COUNT(*) FROM "table_204_794" WHERE "earthed" = 'no'