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_name_6 (debut_year INTEGER, goals VARCHAR, games VARCHAR, years_at_club VARCHAR)

### Question ###
What is the debut year for the player with fewer than 54 games, fewer than 8 goals and 1989 at club?

### Accurate SQL ###

SELECT AVG(debut_year) FROM table_name_6 WHERE games < 54 AND years_at_club = "1989" AND goals < 8