CREATE TABLE "events" (
  "date" text,
  "event" text,
  "winner" text,
  "team" text,
  "series_leader" text
);

Question: What is the Series leader with a Date that is may 31?
SQL: SELECT "series_leader" FROM "events" WHERE "date"='may 31';

Question: What is the Series leader with a Date that is october 9?
SQL: SELECT "series_leader" FROM "events" WHERE "date"='october 9';