IN HOW MANY ISSUES WAS HARRISON FORD THE INTERVIEW SUBJECT?
CREATE TABLE "table1_1566852_3" (
  "date" text,
  "cover_model" text,
  "centerfold_model" text,
  "interview_subject" text,
  "20_questions" text,
  "pictorials" text
);
SELECT COUNT("date") FROM "table1_1566852_3" WHERE "interview_subject"='Harrison Ford';