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_26561506_1 ( patient_portrayer VARCHAR, _number VARCHAR )

### Question ###
How many episodes are numbered 4 in the season?

### Accurate SQL ###

SELECT COUNT(patient_portrayer) FROM table_26561506_1 WHERE _number = 4