CREATE TABLE table_63333 ("Athlete" TEXT, "Nation" TEXT, "Olympics" FLOAT, "Substance" TEXT, "Punishment" TEXT)

Which athlete had a six month suspension from IIHF?
SELECT "Athlete" FROM table_63333 WHERE "Punishment" = 'six month suspension from iihf'
SELECT "Athlete" FROM "table_63333" WHERE "Punishment" = 'six month suspension from iihf'