When 1180 am is the frequency how many call signs are there?
CREATE TABLE table_1949746_1 (call_sign VARCHAR, frequency VARCHAR)
SELECT COUNT(call_sign) FROM table_1949746_1 WHERE frequency = "1180 AM"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1949746_1 (call_sign VARCHAR, frequency VARCHAR) Question: When 1180 am is the frequency how many call signs are there? [/INST] SELECT COUNT(call_sign) FROM table_1949746_1 WHERE frequency = "1180 AM" </s>