CREATE TABLE "under_construction_stadium_s" (
  "stadium" text,
  "capacity" real,
  "city" text,
  "club" text,
  "opening" real
);

Question: What is the lowest capacity with an opening larger than 2015 in Trabzon?
SQL: SELECT MIN("capacity") FROM "under_construction_stadium_s" WHERE "opening">2015 AND "city"='trabzon';

Question: What is the average opening at Stadyum Samsun with a capacity smaller than 34,658?
SQL: SELECT AVG("opening") FROM "under_construction_stadium_s" WHERE "stadium"='stadyum samsun' AND "capacity"<'34,658';