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_69 ( league_from VARCHAR, nhl_team VARCHAR )

### Question ###
From which league is the player chosen by the Atlanta Thrashers (from Dallas) 6?

### Accurate SQL ###

SELECT league_from FROM table_name_69 WHERE nhl_team = "atlanta thrashers (from dallas) 6"