CREATE TABLE table_15876 ("Player" TEXT, "No." TEXT, "Nationality" TEXT, "Position" TEXT, "Years in Toronto" TEXT, "School/Club Team" TEXT)

Which positions were in Toronto in 2004?
SELECT "Position" FROM table_15876 WHERE "Years in Toronto" = '2004'
SELECT "Position" FROM "table_15876" WHERE "Years in Toronto" = '2004'