CREATE TABLE table_17214 ("Round" FLOAT, "Overall" TEXT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "Club team" TEXT)

How many positions did player Ben Harpur play?
SELECT COUNT("Position") FROM table_17214 WHERE "Player" = 'Ben Harpur'
SELECT COUNT("Position") FROM "table_17214" WHERE "Player" = 'Ben Harpur'