user: Question: What network has lap-by-laps by Bill Flemming, and Pit reporter Chris Economaki?
Columns: ['Year', 'Network', 'Lap-by-lap', 'Pit reporters', 'Host']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1960.0, 'CBS Sports Spectacular', 'Bud Palmer', 'Bud Palmer', 'Bud Palmer']
SQL:

assistant: SELECT "Network" FROM "Table" WHERE "Lap-by-lap" = 'Bill Flemming' AND "Pit reporters" = 'Chris Economaki';