CREATE TABLE table_37728 ("Favorite professional sport" TEXT, "2005" TEXT, "2008" TEXT, "2011" TEXT, "2012" TEXT)

What is listed the Favorite Professional Sport that's got a 2005 of 17.1%?
SELECT "Favorite professional sport" FROM table_37728 WHERE "2005" = '17.1%'
SELECT "Favorite professional sport" FROM "table_37728" WHERE "2005" = '17.1%'