user: Question: What was the highest transfer fee in 2008 that is from PSV and is ranked larger than 17?
Columns: ['Rank', 'Player', 'From', 'Transfer fee ( € million)', 'Year']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Ruud van Nistelrooy', 'PSV', 30.5, 2001.0]
SQL:

assistant: SELECT MAX("Transfer fee ( € million)") FROM "Table" WHERE "Year" = 2008.0 AND "From" = 'PSV' AND "Rank" > 17.0;