CREATE TABLE table_17530 ("Number" FLOAT, "Name" CLOB, "Titles" CLOB, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Defenses" FLOAT)

How many times was iran barkley an opponent?
SELECT "Number" FROM table_17530 WHERE "Opponent" = 'Iran Barkley'
SELECT "Number" FROM "table_17530" WHERE "Opponent" = 'Iran Barkley'