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_18012738_1 (story_no VARCHAR, written_by VARCHAR)
### Question:
Name the story number for paul cornell
### Answer:
SELECT story_no FROM table_18012738_1 WHERE written_by = "Paul Cornell"