user: Question: What is the Original airdate of the episode after Season 6 Directed by Erik Wiese?
Columns: ['Series #', 'Season #', 'Title', 'Directed by', 'Written by', 'Original airdate']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [21.0, 1.0, '"Catatonic"', 'Erik Wiese', 'Cynthia True, Erik Wiese', 'October25,2009']
SQL:

assistant: SELECT "Original airdate" FROM "Table" WHERE "Directed by" = 'Erik Wiese' AND "Season #" > 6.0;