Name the number of reporters for  heywood hale broun
CREATE TABLE "1970s" (
  "year" real,
  "network" text,
  "race_caller" text,
  "s_host" text,
  "s_analyst" text,
  "reporters" text,
  "trophy_presentation" text
);
SELECT COUNT("reporters") FROM "1970s" WHERE "s_analyst"='Heywood Hale Broun';