CREATE TABLE table_45427 ("Player" TEXT, "Nationality" TEXT, "Jersey Number ( s ) " TEXT, "Position" TEXT, "Years" TEXT, "From" TEXT)

What position was played by the player during 1986 1991 1997 1999?
SELECT "Position" FROM table_45427 WHERE "Years" = '1986 – 1991 1997 – 1999'
SELECT "Position" FROM "table_45427" WHERE "Years" = '1986 – 1991 1997 – 1999'