How many episodes did Alison Maclean direct?
CREATE TABLE table_17624965_1 (written_by VARCHAR, directed_by VARCHAR)
SELECT COUNT(written_by) FROM table_17624965_1 WHERE directed_by = "Alison Maclean"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_17624965_1 (written_by VARCHAR, directed_by VARCHAR) Question: How many episodes did Alison Maclean direct? [/INST] SELECT COUNT(written_by) FROM table_17624965_1 WHERE directed_by = "Alison Maclean" </s>