CREATE TABLE table_68478 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

Name the entrant for year of 1952
SELECT "Entrant" FROM table_68478 WHERE "Year" = '1952'
SELECT "Entrant" FROM "table_68478" WHERE "Year" = '1952'