CREATE TABLE "references" (
  "particulars_and_characteristics" text,
  "shivalik_zone" text,
  "mid_hill_zone" text,
  "high_hill_zone" text,
  "trance_n_himalaya_zone" text
);

Question: Which mid-hill zone has a slightly warm temperature?
SQL: SELECT "high_hill_zone" FROM "references" WHERE "mid_hill_zone"='slightly warm temperature';