What's the least mpg-UK combined when the mpg-UK urban is 25.4, the L/100km extra urban is less than 6.9 and the L/100km urban is more than 11.1?
CREATE TABLE "see_also" (
  "manufacturer" text,
  "transmission" text,
  "engine_capacity" real,
  "fuel_type" text,
  "l_100km_urban_cold" real,
  "l_100km_extra_urban" real,
  "l_100km_combined" real,
  "mpg_uk_urban_cold" real,
  "mpg_uk_extra_urban" real,
  "mpg_uk_combined" real,
  "mpg_us_urban" real,
  "mpg_us_extra_urban" real,
  "mpg_us_combined" real,
  "co_2_g_km" real,
  "green_rating" text
);
SELECT MIN("mpg_uk_combined") FROM "see_also" WHERE "mpg_uk_urban_cold"=25.4 AND "l_100km_extra_urban"<6.9 AND "l_100km_urban_cold">11.1;