What is the total of Frequency MHz with a Class of b1?
CREATE TABLE table_name_99 (frequency_mhz INTEGER, class VARCHAR)
SELECT SUM(frequency_mhz) FROM table_name_99 WHERE class = "b1"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_99 (frequency_mhz INTEGER, class VARCHAR) Question: What is the total of Frequency MHz with a Class of b1? [/INST] SELECT SUM(frequency_mhz) FROM table_name_99 WHERE class = "b1" </s>