Table: daytona_500_broadcasts_2
Columns: year
network
lap_by_lap
pit_reporters
host

Question: What network has lap-by-laps by Bill Flemming, and Pit reporter Chris Economaki?
SQL: SELECT "network" FROM daytona_500_broadcasts_2 WHERE "lap_by_lap" = 'bill flemming' AND "pit_reporters" = 'chris economaki'

Question: Which lap-by-lap has a year after 1973, with pit reporter Bill Flemming?
SQL: SELECT "lap_by_lap" FROM daytona_500_broadcasts_2 WHERE "year" > 1973 AND "pit_reporters" = 'bill flemming'