What poll had Steve Poizner at 37%?
CREATE TABLE "republican_primary" (
  "poll_source" text,
  "date_s_administered" text,
  "tom_campbell" text,
  "meg_whitman" text,
  "steve_poizner" text,
  "peter_foy" text
);
SELECT "poll_source" FROM "republican_primary" WHERE "steve_poizner"='37%';