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

Question: what was the week for the match on a hard surface at Indian Wells tournament?
SQL: SELECT "week" FROM "singles" WHERE "surface"='hard' AND "tournament"='indian wells';

Question: What week was the tournament at Cincinnati?
SQL: SELECT "week" FROM "singles" WHERE "tournament"='cincinnati';

Question: Where was the tournament where the match was on a hard surface and jan-michael gambill (19) was the finalist?
SQL: SELECT "tournament" FROM "singles" WHERE "surface"='hard' AND "finalist"='jan-michael gambill (19)';

Question: Who was the semifinalist at the tournament in miami?
SQL: SELECT "semifinalists" FROM "singles" WHERE "tournament"='miami';

Question: Who was the winner at the tournament in Hamburg?
SQL: SELECT "winner" FROM "singles" WHERE "tournament"='hamburg';