CREATE TABLE "record_progression" (
  "record" text,
  "athlete" text,
  "nation" text,
  "venue" text,
  "date" text
);

Question: What is the Nation with a Date that is may 6, 1991?
SQL: SELECT "nation" FROM "record_progression" WHERE "date"='may 6, 1991';

Question: What is the Record with a Date that is may 20, 1961?
SQL: SELECT "record" FROM "record_progression" WHERE "date"='may 20, 1961';