CREATE TABLE table_23499 ("Round" FLOAT, "Location" TEXT, "Country" TEXT, "Date" TEXT, "Fastest Qualifying" TEXT, "Winning Pilot" TEXT, "Winning Aircraft" TEXT)

Name the most round for michael goulian
SELECT MAX("Round") FROM table_23499 WHERE "Winning Pilot" = 'Michael Goulian'
SELECT MAX("Round") FROM "table_23499" WHERE "Winning Pilot" = 'Michael Goulian'