Table:
text: Scottish Youth Cup
Results
Results
Season Winners Score Runners_up Venue
1983–84 Celtic 0 2 – 0 * Rangers Celtic Park
1984–85 Aberdeen 5 – 3 Celtic Pittodrie Stadium
1985–86 Aberdeen 2 – 0 Queen of the South Palmerston Park
1986–87 Celtic 2 – 1 Motherwell Fir Park
1987–88 Dunfermline Athletic 2 – 1 Dundee East End Park
1988–89 Celtic 1 – 0 Dundee United Tannadice Park
1989–90 Hibernian 0 0 – 0 † Dundee United Easter Road
1990–91 Dundee United 2 – 0 Hibernian Tannadice Park
1991–92 Hibernian 2 – 0 Ayr United Easter Road
1992–93 Heart of Midlothian 3 – 1 Rangers Ibrox Stadium

Question: What season has Dundee United had as winners under Scottish Youth Cup results?