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_5 (games INTEGER, debut_year VARCHAR, years_at_club VARCHAR, goals VARCHAR)

### Question ###
Which Games have Years at club of 1977, and Goals of 17, and a Debut year smaller than 1977?

### Accurate SQL ###

SELECT AVG(games) FROM table_name_5 WHERE years_at_club = "1977" AND goals = 17 AND debut_year < 1977