CREATE TABLE "women_s_records" (
  "event" text,
  "time" text,
  "name" text,
  "nation" text,
  "games" text,
  "date" text
);

Question: What country did Chris Witty represent?
SQL: SELECT "nation" FROM "women_s_records" WHERE "name"='chris witty';

Question: On what day was the record set at the 2002 Salt Lake City games with a time of 3:57.70?
SQL: SELECT "date" FROM "women_s_records" WHERE "games"='2002 salt lake city' AND "time"='3:57.70';

Question: Who set the record in the 500 metres event?
SQL: SELECT "name" FROM "women_s_records" WHERE "event"='500 metres';