user: Question: What is the Surface of the match against Yaroslava Shvedova?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Opponent in the final', 'Score in the final']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', '27 March 2005', 'Ain Alsoukhna , Egypt', 'Clay', 'Monica Niculescu', '3–6, 4–6']
SQL:

assistant: SELECT "Surface" FROM "Table" WHERE "Opponent in the final" = 'Yaroslava Shvedova';