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"
### Context: CREATE TABLE table_name_84 (year INTEGER, from_album VARCHAR) ### Question: How many years were there albums by heat wave? ### Answer: SELECT SUM(year) FROM table_name_84 WHERE from_album = "heat wave"