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_98 (league_goals INTEGER, name VARCHAR, league_cup_apps VARCHAR, fa_cup_goals VARCHAR, position VARCHAR)

### Question ###
What is the League Goals when the FA Cup Goals are 0, position is mf, League Cup Apps of 0, and name is Ben Thornley?

### Accurate SQL ###

SELECT AVG(league_goals) FROM table_name_98 WHERE fa_cup_goals = "0" AND position = "mf" AND league_cup_apps = "0" AND name = "ben thornley"