Question: Who was the opponent in the Mallorca 2, Spain tournament?
SQL: SELECT "Opponent" FROM "2-17717526-8" WHERE "Tournament" = 'Mallorca 2, Spain';

Question: When was Varvara Lepchenko the opponent?
SQL: SELECT "Date" FROM "2-17717526-8" WHERE "Opponent" = 'Varvara Lepchenko';