user: Question: What is the number of 2008 values having a 2006 under 17.3, 2010 over 4, and 2011 1H of 20?
Columns: ['TV Station (Operator)', '2005', '2006', '2007', '2008', '2009', '2010', '2011 1H']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['BBTV CH7', 28.0, 27.4, 27.7, 31.0, 28.0, 31.0, 31.7]
SQL:

assistant: SELECT COUNT("2008") FROM "Table" WHERE "2006" < 17.3 AND "2010" > 4.0 AND "2011 1H" = 20.0;