CREATE TABLE table_22238 ("Candidates" CLOB, "Votes Khuzestan" FLOAT, "% of votes Khuzestan" CLOB, "Votes Nationally" FLOAT, "% of votes nationally" CLOB)

What was the percentage of national votes for Mahmoud Ahmadinejad?
SELECT "% of votes nationally" FROM table_22238 WHERE "Candidates" = 'Mahmoud Ahmadinejad'
SELECT "% of votes nationally" FROM "table_22238" WHERE "Candidates" = 'Mahmoud Ahmadinejad'