user: ### NOW ANSWER:
Question: what is the debut year for player terry fulton with games less than 51?
Columns: ['Debut year', 'Player', 'Date of birth', 'Games', 'Goals', 'Years at club']
Types: ['real', 'text', 'text', 'real', 'real', 'text']
Sample row: [1940.0, 'Bill Harwood', '15 September 1920', 69.0, 16.0, '1940–1941, 1946–1948']
SQL:

assistant: SELECT AVG("Debut year") FROM "Table" WHERE "Player" = 'terry fulton' AND "Games" < 51.0;