CREATE TABLE "track_records_all_from_unless_noted" (
  "sport" text,
  "record" text,
  "nation" text,
  "date" text,
  "time_sec" real
);

Question: Which nation finished with a time of 47.049?
SQL: SELECT "nation" FROM "track_records_all_from_unless_noted" WHERE "time_sec"=47.049;

Question: Which sport has a time over 49?
SQL: SELECT "sport" FROM "track_records_all_from_unless_noted" WHERE "time_sec">49;

Question: Which nation had a time of 48.38?
SQL: SELECT "nation" FROM "track_records_all_from_unless_noted" WHERE "time_sec"=48.38;