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_11404452_1 (series__number INTEGER, writer_s_ VARCHAR)

### Question ###
When did Shelia Lawrence join the series?

### Accurate SQL ###

SELECT MIN(series__number) FROM table_11404452_1 WHERE writer_s_ = "Shelia Lawrence"