CREATE TABLE table_204_172 (id DECIMAL, "year" DECIMAL, "representative" TEXT, "hometown" TEXT, "placement in miss nepal" TEXT, "special awards at miss nepal" TEXT, "placement in miss pokhara" TEXT)

how many representatives placed at both miss nepal and miss pokhara .
SELECT COUNT("representative") FROM table_204_172 WHERE NOT "placement in miss nepal" IS NULL AND NOT "placement in miss pokhara" IS NULL
SELECT COUNT("representative") FROM "table_204_172" WHERE NOT "placement in miss nepal" IS NULL AND NOT "placement in miss pokhara" IS NULL