CREATE TABLE table_name_29 (entrant VARCHAR2, engine VARCHAR2, year VARCHAR2)

What Entrant has a 1952 maserati straight-6 engine?
SELECT entrant FROM table_name_29 WHERE engine = "maserati straight-6" AND year = 1952
SELECT "entrant" FROM "table_name_29" WHERE "engine" = "maserati straight-6" AND "year" = 1952