Which Stadium has a City of panama city, and a Group of group a, and a 2009 season of 1st in lna (champion)?
CREATE TABLE "2010_11_teams" (
  "club" text,
  "city" text,
  "stadium" text,
  "2009_season" text,
  "group" text
);
SELECT "stadium" FROM "2010_11_teams" WHERE "city"='panama city' AND "group"='group a' AND "2009_season"='1st in lna (champion)';