How many lengths of line 3 are given?
CREATE TABLE table_1603807_2 (length VARCHAR, line VARCHAR)
SELECT COUNT(length) FROM table_1603807_2 WHERE line = "line 3"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1603807_2 (length VARCHAR, line VARCHAR) Question: How many lengths of line 3 are given? [/INST] SELECT COUNT(length) FROM table_1603807_2 WHERE line = "line 3" </s>