CREATE TABLE "smythe_division_semi_finals_vs_4" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "series" text
);

Question: What was the decision from the Vancouver home game on April 21?
SQL: SELECT "decision" FROM "smythe_division_semi_finals_vs_4" WHERE "home"='vancouver' AND "date"='april 21';

Question: What was the home team that played Vancouver on April 29?
SQL: SELECT "home" FROM "smythe_division_semi_finals_vs_4" WHERE "visitor"='vancouver' AND "date"='april 29';