CREATE TABLE table_72227 ("Member" TEXT, "Week Arrived On Main Island" TEXT, "Week Sent To Third Island" TEXT, "Original Tribe" TEXT, "Tribe They Chose To Win" TEXT)

What week did the member who's original tribe was shark and who was sent to the third island on week 14 arrive on the main island?
SELECT "Week Arrived On Main Island" FROM table_72227 WHERE "Original Tribe" = 'Shark' AND "Week Sent To Third Island" = '14'
SELECT "Week Arrived On Main Island" FROM "table_72227" WHERE "Original Tribe" = 'Shark' AND "Week Sent To Third Island" = '14'