What vote passed for the measure with the description, authorizing state acceptance of certain gifts? 
CREATE TABLE "1956_general_election" (
  "meas_num" real,
  "passed" text,
  "yes_votes" real,
  "no_votes" real,
  "pct_yes" text,
  "const_amd" text,
  "type" text,
  "description" text
);
SELECT "passed" FROM "1956_general_election" WHERE "description"='Authorizing State Acceptance of Certain Gifts';