What is the lowest percentage opposing prohibition when the number opposing is 9,575 and the percent supporting is less than 72.2?
CREATE TABLE "results_of_the_national_referendum_on_pr" (
  "jurisdiction" text,
  "for_prohibition" real,
  "percent_for" real,
  "against_prohibition" real,
  "percent_against" real
);
SELECT MIN("percent_against") FROM "results_of_the_national_referendum_on_pr" WHERE "against_prohibition"='9,575' AND "percent_for"<72.2;