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_25737761_4 (writer VARCHAR, _number VARCHAR)
### Question:
How many people wrote episode number 2 of the season?
### Answer:
SELECT COUNT(writer) FROM table_25737761_4 WHERE _number = 2