What person has the alma mater of Eastern Nazarene ('74), and greater than 19 experience?
CREATE TABLE "coaches_staff" (
  "position" text,
  "name" text,
  "year_at_cu" text,
  "experience" real,
  "alma_mater" text
);
SELECT "name" FROM "coaches_staff" WHERE "experience">19 AND "alma_mater"='eastern nazarene (''74)';