CREATE TABLE table_54208 ("Player" TEXT, "Nationality" TEXT, "Position" TEXT, "Years for Jazz" TEXT, "School/Club Team" TEXT)

What Utah Jazz guard, played at BYU?
SELECT "Player" FROM table_54208 WHERE "Position" = 'guard' AND "School/Club Team" = 'byu'
SELECT "Player" FROM "table_54208" WHERE "Position" = 'guard' AND "School/Club Team" = 'byu'