Return the positions of players on the team Ryley Goldner.
SELECT T1.Position FROM match_season AS T1 JOIN team AS T2 ON T1.Team  =  T2.Team_id WHERE T2.Name  =  "Ryley Goldner"
positions of players on the team refers to T1.Position; team Ryley Goldner refers to T2.Name = 'Ryley Goldner';