user: ### NOW ANSWER:
Question: Which Year has Playoffs which Did not qualify?
Columns: ['Year', 'Division', 'League', 'Regular Season', 'Playoffs', 'Open Cup']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [2008.0, 4.0, 'NPSL', '5th, North', 'Did not qualify', 'Did not qualify']
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Playoffs" = 'Did not qualify';