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_26 ( free_or_pay VARCHAR, years VARCHAR, provider VARCHAR )

### Question ###
What kind of Free or pay has Years of 2006 and a Provider of bt tv (formerly bt vision)?

### Accurate SQL ###

SELECT free_or_pay FROM table_name_26 WHERE years = "2006–" AND provider = "bt tv (formerly bt vision)"