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_2156758_4 ( no_in_season VARCHAR, written_by VARCHAR )

### Question ###
What is the number in season for the episode written by Chris Mitchell and Erik Wiese?

### Accurate SQL ###

SELECT no_in_season FROM table_2156758_4 WHERE written_by = "Chris Mitchell and Erik Wiese"