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_17152787_3 (series__number VARCHAR, season__number VARCHAR)
### Question:
How many episodes have the season number of 1?
### Answer:
SELECT COUNT(series__number) FROM table_17152787_3 WHERE season__number = 1