Table:
text: List of Daytona 500 broadcasters
Early CBS and ABC's   era (1959-1978)
Early CBS and ABC's   era (1959-1978)
Year_ Network Lap_by_lap Pit_reporters Host_
1971 ABC`s WWOS Keith Jackson Chris Economaki Keith Jackson
1972 ABC`s WWOS Keith Jackson Chris Economaki Keith Jackson
1973 ABC`s WWOS Jim McKay Chris Economaki Jim McKay
1974 ABC`s WWOS Keith Jackson Chris Economaki Keith Jackson
1975 ABC`s WWOS Bill Flemming Bill Flemming Bill Flemming
1976 ABC`s WWOS Bill Flemming Chris Economaki Bill Flemming
1977 ABC`s WWOS Jim McKay Chris Economaki Jim McKay
1978 ABC`s WWOS Jim McKay Chris Economaki Jim McKay

text: List of Daytona 500 broadcasters
Early CBS and ABC's   era (1959-1978)
Early CBS and ABC's   era (1959-1978)
Year_ Network Lap_by_lap Pit_reporters Host_
1960 CBS Sports Spectacular Bud Palmer Bud Palmer Bud Palmer
1962 ABC`s WWOS Jim McKay Chris Economaki Jim McKay
1963 ABC`s WWOS Bill Flemming Chris Economaki Bill Flemming
1964 ABC`s WWOS Bill Flemming Chris Economaki Stirling Moss Bill Flemming
1965 ABC`s WWOS Bill Flemming Bill Flemming Bill Flemming
1966 ABC`s WWOS Curt Gowdy Chris Economaki Curt Gowdy
1967 ABC`s WWOS Jim McKay Chris Economaki Jim McKay
1968 ABC`s WWOS Bill Flemming Bill Flemming Bill Flemming
1969 ABC`s WWOS Bill Flemming Bill Flemming Bill Flemming
1970 ABC`s WWOS Keith Jackson Chris Economaki Keith Jackson

Question: Which network has round after round of Bill Flemming and Pit reporter Chris Economaki among the Daytona 500 stations of the early CBS and ABC era (1959-1978)?

Question: What round of round in the roster of Daytona 500 stations in the early era of CBS and ABC (1959-1978) has a year after 1973 with pit reporter Bill Flemming?