CREATE TABLE "north_america" (
  "rank" real,
  "circuit" text,
  "headquarters" text,
  "screens" real,
  "sites" real
);

Question: What is the rank of the cinema when the headquarters are in toronto, ON and the screens is less than 1,438?
SQL: SELECT AVG("rank") FROM "north_america" WHERE "headquarters"='toronto, on' AND "screens"<'1,438';

Question: what is the rank of the cinema when the number of sites is more than 62 and the circuit is cineplex entertainment?
SQL: SELECT SUM("rank") FROM "north_america" WHERE "sites">62 AND "circuit"='cineplex entertainment';

Question: what is the number of sites when the number of screens is 687 and rank is more than 7?
SQL: SELECT AVG("sites") FROM "north_america" WHERE "screens"=687 AND "rank">7;

Question: what is the lowest number of sites when the headquarters are in columbus, ga and the rank is smaller than 4?
SQL: SELECT MIN("sites") FROM "north_america" WHERE "headquarters"='columbus, ga' AND "rank"<4;