user: Question: Who was the opponent in the Mallorca 2, Spain tournament?
Columns: ['Date', 'Tournament', 'Surface', 'Opponent', 'Score']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['13 August 2007', 'Pesaro , Italy', 'Clay', 'Stephanie Vogt', '6–2, 2–6, 6–1']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Tournament" = 'Mallorca 2, Spain';