CREATE TABLE "singles_titles" (
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score" text
);

Question: Who is the opponent in the final on a hard surface with a score of 6–3 7–6(5)?
SQL: SELECT "opponent_in_the_final" FROM "singles_titles" WHERE "surface"='hard' AND "score"='6–3 7–6(5)';

Question: Who is the opponent in the Tournament of Lahore final?
SQL: SELECT "opponent_in_the_final" FROM "singles_titles" WHERE "tournament"='lahore';

Question: On what date did the opponent in the Toshiaki Sakai final play on a grass surface?
SQL: SELECT "date" FROM "singles_titles" WHERE "opponent_in_the_final"='toshiaki sakai' AND "surface"='grass';

Question: On what surface did a score of 4–6 6–3 6–4 occur at the Tournament of Lahore?
SQL: SELECT "surface" FROM "singles_titles" WHERE "tournament"='lahore' AND "score"='4–6 6–3 6–4';

Question: Which tournament had Toshiaki Sakai as an opponent in the final on a grass surface?
SQL: SELECT "tournament" FROM "singles_titles" WHERE "opponent_in_the_final"='toshiaki sakai' AND "surface"='grass';