How many directors of episode 55?
CREATE TABLE table_25716397_1 (directed_by VARCHAR, series_no VARCHAR)
SELECT COUNT(directed_by) FROM table_25716397_1 WHERE series_no = 55
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25716397_1 (directed_by VARCHAR, series_no VARCHAR) Question: How many directors of episode 55? [/INST] SELECT COUNT(directed_by) FROM table_25716397_1 WHERE series_no = 55 </s>