user: Question: Who is the opponent when the score was 6–4, 6–2 and the surface was Clay?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Opponent', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', '6 October 2003', 'Bari , Italy', 'Clay', 'Bettina Pirker', '6–2, 7–5']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Score" = '6–4, 6–2' AND "Surface" = 'Clay';