How many metropolitan boroughs have dorridge as a station?
CREATE TABLE table_15366849_1 (c_ VARCHAR, metropolitan_borough_ VARCHAR, station VARCHAR)
SELECT COUNT(metropolitan_borough_) AS "c_" FROM table_15366849_1 WHERE station = "Dorridge"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15366849_1 (c_ VARCHAR, metropolitan_borough_ VARCHAR, station VARCHAR) Question: How many metropolitan boroughs have dorridge as a station? [/INST] SELECT COUNT(metropolitan_borough_) AS "c_" FROM table_15366849_1 WHERE station = "Dorridge" </s>