CREATE TABLE table_17951 ("Season" TEXT, "Airdate" TEXT, "The Mole" TEXT, "Winner" TEXT, "Runner-up" TEXT, "Prize money" TEXT, "International destination" TEXT)

what's airdate with international destination being scotland
SELECT "Airdate" FROM table_17951 WHERE "International destination" = 'Scotland'
SELECT "Airdate" FROM "table_17951" WHERE "International destination" = 'Scotland'