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_27218002_1 (written_by VARCHAR, originalairdate VARCHAR)
### Question:
Name the total number of written by for 26 july 2010
### Answer:
SELECT COUNT(written_by) FROM table_27218002_1 WHERE originalairdate = "26 July 2010"