Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_77668 ( "Debut year" real, "Player" text, "Date of birth" text, "Games" real, "Goals" real, "Years at club" text )

### Question ###
What is the average games a player born on 17 March 1915 and debut before 1935 had?

### Accurate SQL ###

SELECT AVG("Games") FROM table_77668 WHERE "Date of birth" = '17 march 1915' AND "Debut year" < '1935'