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 (year_won INTEGER, finish VARCHAR, country VARCHAR)

### Question ###
Which year won has a Finish of t24, and a Country of england?

### Accurate SQL ###

SELECT AVG(year_won) FROM table_name_6 WHERE finish = "t24" AND country = "england"