What was the lifespan of Representative Harry P. O'neill from the state of Pennsylvania?
CREATE TABLE "external_links" (
  "representative" text,
  "years" text,
  "state" text,
  "party" text,
  "lifespan" text
);
SELECT "lifespan" FROM "external_links" WHERE "state"='pennsylvania' AND "representative"='harry p. o''neill';