CREATE TABLE table_23390604_1 (mir_hossein_mousavi NUMBER, mohsen_rezaee VARCHAR2)

Display the lowest score for candidate Mir-Hossein Mousavi when candidate Mohsen Rezaee scored 44809 votes
SELECT MIN(mir_hossein_mousavi) FROM table_23390604_1 WHERE mohsen_rezaee = 44809
SELECT MIN("mir_hossein_mousavi") FROM "table_23390604_1" WHERE "mohsen_rezaee" = 44809