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_15861776_1 ( no_in_series VARCHAR, tv_broadcast VARCHAR )

### Question ###
What episode in the series is TV broadcast s03e20?

### Accurate SQL ###

SELECT no_in_series FROM table_15861776_1 WHERE tv_broadcast = "S03E20"