CREATE TABLE table_203_568 (id DECIMAL, "town/village" TEXT, "population" DECIMAL, "postal code" TEXT, "municipality" TEXT, "island" TEXT, "location" TEXT)

what is the population size difference between akrar and dalur ?
SELECT ABS((SELECT "population" FROM table_203_568 WHERE "town/village" = 'akrar') - (SELECT "population" FROM table_203_568 WHERE "town/village" = 'dalur'))
SELECT ABS((SELECT "population" FROM "table_203_568" WHERE "town/village" = 'akrar') - (SELECT "population" FROM "table_203_568" WHERE "town/village" = 'dalur'))