CREATE TABLE table_55050 ("Race Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Constructor" CLOB, "Report" CLOB)

Which driver won the iv j.c.c. jersey road race?
SELECT "Winning driver" FROM table_55050 WHERE "Race Name" = 'iv j.c.c. jersey road race'
SELECT "Winning driver" FROM "table_55050" WHERE "Race Name" = 'iv j.c.c. jersey road race'