CREATE TABLE table_203_67 (id NUMBER, "place" NUMBER, "team" CLOB, "played" NUMBER, "won" NUMBER, "draw" NUMBER, "lost" NUMBER, "goals\ scored" NUMBER, "goals\ conceded" NUMBER, "+/-" NUMBER, "points" NUMBER)

what is difference in points between c.d. aguila and chalatenango ?
SELECT (SELECT "points" FROM table_203_67 WHERE "team" = 'c.d. aguila') - (SELECT "points" FROM table_203_67 WHERE "team" = 'chalatenango')
SELECT (SELECT "points" FROM "table_203_67" WHERE "team" = 'c.d. aguila') - (SELECT "points" FROM "table_203_67" WHERE "team" = 'chalatenango')