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_28859177_2 (title VARCHAR, series__number VARCHAR)
### Question:
How many episode titles have series number 4?
### Answer:
SELECT COUNT(title) FROM table_28859177_2 WHERE series__number = 4