CREATE TABLE "sports" (
  "sport" text,
  "league" text,
  "tier" text,
  "club" text,
  "stadium" text
);

Question: Which stadium is for football with the China League One?
SQL: SELECT "stadium" FROM "sports" WHERE "sport"='football' AND "league"='china league one';

Question: Which tier is for football at Tianhe Stadium?
SQL: SELECT "tier" FROM "sports" WHERE "sport"='football' AND "stadium"='tianhe stadium';