user: Question: What is the name of the shield winner in which the mls cup winner and mls supporters shield runner up is Chivas USA?
Columns: ['Season', 'MLS Cup Winner', 'MLS Cup Runner-Up', 'MLS Supporters Shield Winner', 'MLS Supporters Shield Runner-Up']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1996.0, 'D.C. United', 'Los Angeles Galaxy', 'Tampa Bay Mutiny', 'Los Angeles Galaxy']
SQL:

assistant: SELECT "MLS Cup Winner" FROM "Table" WHERE "MLS Supporters Shield Runner-Up" = 'Chivas USA';