Question: What nationality has a lane less than 6, with 1 as the rank?
SQL: SELECT "Nationality" FROM "2-18624865-5" WHERE "Lane" < 6.0 AND "Rank" = 1.0;

Question: What time has a lane less than 5, with Poland as the nationality?
SQL: SELECT "Time" FROM "2-18624865-5" WHERE "Lane" < 5.0 AND "Nationality" = 'Poland';

Question: How many lanes have 1:53.70 as the time?
SQL: SELECT COUNT("Lane") FROM "2-18624865-5" WHERE "Time" = '1:53.70';

Question: How many ranks have chen yin as the name, with a lane greater than 8?
SQL: SELECT SUM("Rank") FROM "2-18624865-5" WHERE "Name" = 'chen yin' AND "Lane" > 8.0;

Question: What nationality has 1:55.35 as the time?
SQL: SELECT "Nationality" FROM "2-18624865-5" WHERE "Time" = '1:55.35';

Question: How many lanes have a rank greater than 8?
SQL: SELECT SUM("Lane") FROM "2-18624865-5" WHERE "Rank" > 8.0;