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

Question: What is the surface when the tournament is manta, ecuador?
SQL: SELECT "surface" FROM "singles_7" WHERE "tournament"='manta, ecuador';

Question: What is the surface for the tournament of manta, ecuador?
SQL: SELECT "surface" FROM "singles_7" WHERE "tournament"='manta, ecuador';

Question: What tournament is lesley joseph the opponent?
SQL: SELECT "tournament" FROM "singles_7" WHERE "opponent"='lesley joseph';

Question: What date was marcos daniel the opponent?
SQL: SELECT "date" FROM "singles_7" WHERE "opponent"='marcos daniel';