What was the lowest election result for President Leonardo Marras with an area smaller than 227,063 people?
CREATE TABLE "provinces" (
  "province" text,
  "inhabitants" real,
  "established" real,
  "president" text,
  "party" text,
  "election" real
);
SELECT MIN("election") FROM "provinces" WHERE "president"='leonardo marras' AND "inhabitants"<'227,063';