user: Question: What 2007 number when the million CZK shows operating revenues?
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 "2007" FROM "Table" WHERE "million CZK" = 'operating revenues';