What are the polling dates for polling firm Holinshed when Terry Kilrea dropped out and Bob Chiarelli has 22.5%?
CREATE TABLE "poll_results" (
  "polling_firm" text,
  "polling_dates" text,
  "bob_chiarelli" text,
  "alex_munter" text,
  "larry_o_brien" text,
  "terry_kilrea_dropped_out" text
);
SELECT "terry_kilrea_dropped_out" FROM "poll_results" WHERE "polling_firm"='holinshed' AND "bob_chiarelli"='22.5%';