Question: Which tournament has Hard as the surface and Apr. 12, 1998 as the date?
SQL: SELECT "Tournament" FROM "2-12531158-2" WHERE "Surface" = 'Hard' AND "Date" = 'Apr. 12, 1998';

Question: Which surface has Wynne Prakusya as the opponent in the final?
SQL: SELECT "Surface" FROM "2-12531158-2" WHERE "Opponent in the Final" = 'Wynne Prakusya';

Question: What score has Wynne Prakusya as the opponent in the final?
SQL: SELECT "Score" FROM "2-12531158-2" WHERE "Opponent in the Final" = 'Wynne Prakusya';

Question: What tournament has Nov. 21, 1999 as the date?
SQL: SELECT "Tournament" FROM "2-12531158-2" WHERE "Date" = 'Nov. 21, 1999';