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_10 (playoff_apps VARCHAR, position VARCHAR, name VARCHAR)

### Question ###
What was the playoff apps for Thomas Heary, that had the position df?

### Accurate SQL ###

SELECT playoff_apps FROM table_name_10 WHERE position = "df" AND name = "thomas heary"