CREATE TABLE table_12254 ("Round" FLOAT, "Date" CLOB, "Event" CLOB, "Circuit" CLOB, "Winning Driver" CLOB, "Winning Team" CLOB)

Which Round has an Event of 200 miles of norisring?
SELECT COUNT("Round") FROM table_12254 WHERE "Event" = '200 miles of norisring'
SELECT COUNT("Round") FROM "table_12254" WHERE "Event" = '200 miles of norisring'