Whats the highest Promotions that has a Team of Pallacanestro Messina, along with Relegations larger than 0?
CREATE TABLE "appearances_through_the_2011_12_season" (
  "seasons" real,
  "team" text,
  "ch_wins" real,
  "promotions" real,
  "relegations" real
);
SELECT MAX("promotions") FROM "appearances_through_the_2011_12_season" WHERE "team"='pallacanestro messina' AND "relegations">0;