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_19 (original_airdate VARCHAR, directed_by VARCHAR, season__number VARCHAR)

### Question ###
What is the Original airdate of the episode after Season 6 Directed by Erik Wiese?

### Accurate SQL ###

SELECT original_airdate FROM table_name_19 WHERE directed_by = "erik wiese" AND season__number > 6