How many people named gloria moon were on the 2002 and 2012 commissions?
CREATE TABLE "government" (
  "district" text,
  "2012_commission" text,
  "2010_commission" text,
  "2007_commission" text,
  "2002_commission" text,
  "1999_commission" text
);
SELECT COUNT("2002_commission") FROM "government" WHERE "2012_commission"='Gloria Moon';