CREATE TABLE table_name_68 (games NUMBER, date_of_birth VARCHAR2, debut_year VARCHAR2)

What is the average games a player born on 17 March 1915 and debut before 1935 had?
SELECT AVG(games) FROM table_name_68 WHERE date_of_birth = "17 march 1915" AND debut_year < 1935
SELECT AVG("games") FROM "table_name_68" WHERE "17 march 1915" = "date_of_birth" AND "debut_year" < 1935