Question: What is the lowest time for paulo villar in lane 9?
SQL: SELECT MIN("Time") FROM "2-18578891-4" WHERE "Athlete" = 'paulo villar' AND "Lane" < 9.0;

Question: What is the nationality of lane 4?
SQL: SELECT "Nationality" FROM "2-18578891-4" WHERE "Lane" = 4.0;

Question: What is the nationality with a 13.21 time?
SQL: SELECT "Nationality" FROM "2-18578891-4" WHERE "Time" = 13.21;