user: Question: How many years were there albums by Heat Wave?
Columns: ['Year', 'Title', 'From album', 'Label', 'Label-Nr']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1962.0, "Tonight / Sinnin' Sam", "Lookin' Ahead", 'Pacific Jazz', 'X-340']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "From album" = 'Heat Wave';