CREATE TABLE table_204_64 (id NUMBER, "place" CLOB, "code" NUMBER, "area  ( km2 ) " NUMBER, "population" NUMBER, "most spoken language" CLOB)

what is the difference in population between fora and masilo
SELECT ABS((SELECT "population" FROM table_204_64 WHERE "place" = 'fora') - (SELECT "population" FROM table_204_64 WHERE "place" = 'masilo'))
SELECT ABS((SELECT "population" FROM "table_204_64" WHERE "place" = 'fora') - (SELECT "population" FROM "table_204_64" WHERE "place" = 'masilo'))