Which lap-by-lap has a year after 1973, with pit reporter Bill Flemming?
CREATE TABLE "early_cbs_and_abc_s_era_1959_1978" (
  "year" real,
  "network" text,
  "lap_by_lap" text,
  "pit_reporters" text,
  "host" text
);
SELECT "lap_by_lap" FROM "early_cbs_and_abc_s_era_1959_1978" WHERE "year">1973 AND "pit_reporters"='bill flemming';