CREATE TABLE "singles" (
  "tournament" text,
  "surface" text,
  "week" text,
  "winner" text,
  "finalist" text,
  "semifinalists" text
);

Question: who were the semifinalists for the tournament in montreal?
SQL: SELECT "semifinalists" FROM "singles" WHERE "tournament"='montreal';

Question: Who was the finalist for the tournament in berlin?
SQL: SELECT "finalist" FROM "singles" WHERE "tournament"='berlin';

Question: What type of surface was played at the tournament in berlin?
SQL: SELECT "surface" FROM "singles" WHERE "tournament"='berlin';

Question: Where was the tournament where monica seles was the finalist who played on a hard surface?
SQL: SELECT "tournament" FROM "singles" WHERE "surface"='hard' AND "finalist"='monica seles';