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_8 (touchdowns INTEGER, field_goals VARCHAR, extra_points VARCHAR, player VARCHAR)

### Question ###
Which Touchdowns have an Extra points smaller than 5, and a Player of clark, and Field goals larger than 0?

### Accurate SQL ###

SELECT AVG(touchdowns) FROM table_name_8 WHERE extra_points < 5 AND player = "clark" AND field_goals > 0