what are all the hometown where the average age is 16
CREATE TABLE "top_36_results_summary" (
  "name_name_of_act" text,
  "age_s" text,
  "genre" text,
  "act" text,
  "hometown" text,
  "semifinal_week" real,
  "position_reached" text
);
SELECT "hometown" FROM "top_36_results_summary" WHERE "age_s"='16';