CREATE TABLE "singles_7" (
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent" text,
  "score" text
);

Question: What date was the match against leonardo tavares with a score of 6–4, 6–4?
SQL: SELECT "date" FROM "singles_7" WHERE "score"='6–4, 6–4' AND "opponent"='leonardo tavares';

Question: What date was the match against adrián menéndez-maceiras?
SQL: SELECT "date" FROM "singles_7" WHERE "opponent"='adrián menéndez-maceiras';