CREATE TABLE "list_of_superlative_academy_award_winner" (
  "superlative" text,
  "actor" text,
  "record_set" text,
  "year" real,
  "notes" text
);

Question: What record was set by walter brennan before 1941?
SQL: SELECT "record_set" FROM "list_of_superlative_academy_award_winner" WHERE "actor"='walter brennan' AND "year"<1941;

Question: What is the earliest year for ordinary people to appear in the notes?
SQL: SELECT MIN("year") FROM "list_of_superlative_academy_award_winner" WHERE "notes"='ordinary people';