CREATE TABLE "semifinal_1" (
  "rank" real,
  "lane" real,
  "athlete" text,
  "nationality" text,
  "time" real,
  "notes" text
);

Question: What is the lowest time for Paulo Villar in lane 9?
SQL: SELECT MIN("time") FROM "semifinal_1" WHERE "athlete"='paulo villar' AND "lane"<9;

Question: What is the nationality of lane 4?
SQL: SELECT "nationality" FROM "semifinal_1" WHERE "lane"=4;

Question: What is the nationality with a 13.21 time?
SQL: SELECT "nationality" FROM "semifinal_1" WHERE "time"=13.21;