CREATE TABLE table_203_660 (id NUMBER, "county" CLOB, "obama%" CLOB, "obama#" NUMBER, "mccain%" CLOB, "mccain#" NUMBER, "total" NUMBER)

how many votes did obama win by in iron county ?
SELECT "obama#" - "mccain#" FROM table_203_660 WHERE "county" = 'iron'
SELECT "obama#" - "mccain#" FROM "table_203_660" WHERE "county" = 'iron'