Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_16175064_3 (series__number VARCHAR, writer_s_ VARCHAR)
### Question:
What is the total number of episodes where alexa wyatt is the writer?
### Answer:
SELECT COUNT(series__number) FROM table_16175064_3 WHERE writer_s_ = "Alexa Wyatt"