How many years were there albums by heat wave?
CREATE TABLE table_name_84 (year INTEGER, from_album VARCHAR)
SELECT SUM(year) FROM table_name_84 WHERE from_album = "heat wave"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_84 (year INTEGER, from_album VARCHAR) Question: How many years were there albums by heat wave? [/INST] SELECT SUM(year) FROM table_name_84 WHERE from_album = "heat wave" </s>