CREATE TABLE table_20224 ("Date" TEXT, "Cover model" TEXT, "Centerfold model" TEXT, "Interview subject" TEXT, "20 Questions" TEXT, "Pictorials" TEXT)

IN HOW MANY ISSUES WAS HARRISON FORD THE INTERVIEW SUBJECT?
SELECT COUNT("Date") FROM table_20224 WHERE "Interview subject" = 'Harrison Ford'
SELECT COUNT("Date") FROM "table_20224" WHERE "Interview subject" = 'Harrison Ford'