CREATE TABLE "cities_and_stadia" (
  "team" text,
  "head_coach" text,
  "city" text,
  "stadium" text,
  "capacity" real
);

Question: What is VFB Stuttgart II Team's Stadiuim?
SQL: SELECT "stadium" FROM "cities_and_stadia" WHERE "team"='vfb stuttgart ii';

Question: What is the Capacity of Ernst-Abbe-Sportfeld?
SQL: SELECT "capacity" FROM "cities_and_stadia" WHERE "stadium"='ernst-abbe-sportfeld';

Question: What is the Capacity of the Rainer Kraft's Stadium?
SQL: SELECT AVG("capacity") FROM "cities_and_stadia" WHERE "head_coach"='rainer kraft';