user: Question: What is the average games a player born on 17 march 1915 and debut before 1935 had?
Columns: ['Debut year', 'Player', 'Date of birth', 'Games', 'Goals', 'Years at club']
Types: ['real', 'text', 'text', 'real', 'real', 'text']
Sample row: [1935.0, 'Jack Holden', '9 July 1910', 4.0, 0.0, '1935']
SQL:

assistant: SELECT AVG("Games") FROM "Table" WHERE "Date of birth" = '17 march 1915' AND "Debut year" < 1935.0;