user: Question: What is the sum of 2007 when the 2009 is less than 7006, and a 2008 larger than 2226?
Columns: ['million CZK', '2005', '2006', '2007', '2008', '2009']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Operating revenues', '4,391', 4844.0, 5818.0, 6511.0, 7006.0]
SQL:

assistant: SELECT SUM("2007") FROM "Table" WHERE "2009" < 7006.0 AND "2008" > 2226.0;