CREATE TABLE "attendances" (
  "team" text,
  "stadium" text,
  "capacity" real,
  "lowest" real,
  "highest" real,
  "average" real
);

Question: What's the highest lowest number of capacity that ibrox stadium has when the average is larger than 49,143?
SQL: SELECT MAX("lowest") FROM "attendances" WHERE "stadium"='ibrox stadium' AND "average">'49,143';

Question: What's the lowest highest capacity that has a lowest capacity larger than 4,086 people, and a current capacity of 14,209, and an average capacity smaller than 8,530?
SQL: SELECT MIN("highest") FROM "attendances" WHERE "lowest">'4,086' AND "capacity"='14,209' AND "average"<'8,530';