user: Question: What is the most current year that had a BB CW of 78?
Columns: ['Year', 'BB Hot', 'BB CW', 'BB AC', 'CB CW']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1978.0, '–/109', '6', '–', '7 /']
SQL:

assistant: SELECT MAX("Year") FROM "Table" WHERE "BB CW" = '78';