WHo has a Home of philadelphia and a Series of flyers lead 1–0?
CREATE TABLE "playoffs" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "attendance" real,
  "series" text
);
SELECT "visitor" FROM "playoffs" WHERE "home"='philadelphia' AND "series"='flyers lead 1–0';