user: Question: Which lap-by-lap has a year after 1973, with pit reporter Bill Flemming?
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 "Lap-by-lap" FROM "Table" WHERE "Year" > 1973.0 AND "Pit reporters" = 'Bill Flemming';