user: Question: Who was the opponent at the game that had a loss of Shields (1–1)?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Record', 'Stadium']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['October 4', 'Yankees', '4–2', 'Colón (0–1)', '0–1', 'Angel Stadium of Anaheim']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Loss" = 'Shields (1–1)';