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_21313327_1 (no_in_series INTEGER, written_by VARCHAR)

### Question ###
what is the No in series when Rob wright & Debra j. Fisher & Erica Messer were the writers?

### Accurate SQL ###

SELECT MIN(no_in_series) FROM table_21313327_1 WHERE written_by = "Rob Wright & Debra J. Fisher & Erica Messer"