who is the of the shield winnerin which the mls cup runner-up and mls cup winner is real salt lake?
create table table_11148572_1 (mls_cup_runner_up varchar, mls_cup_winner varchar, PRIMARY KEY (mls_cup_runner_up))
select mls_cup_runner_up from table_11148572_1 where mls_cup_winner = "real salt lake"