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_17 ( club VARCHAR, group VARCHAR, stadium VARCHAR )

### Question ###
When in 2009 season has a Group of group b, and cancha del mystic with a Club of el tecal?

### Accurate SQL ###

SELECT 2009 AS _season FROM table_name_17 WHERE group = "group b" AND stadium = "cancha del mystic" AND club = "el tecal"