user: Question: Who was the opponent with an outcome Runner-up on November 15, 2010?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Opponent', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 'August 12, 2002', 'Kenosha, Wisconsin , United States', 'Hard', 'Ignacio Hirigoyen', '2–6, 2–6']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Outcome" = 'Runner-up' AND "Date" = 'November 15, 2010';