CREATE TABLE "busiest_international_routes_from_portla" (
  "rank" real,
  "airport" text,
  "metropolitan_area" text,
  "passengers" real,
  "carriers" text
);

Question: Which Passengers have Carriers of air canada?
SQL: SELECT "passengers" FROM "busiest_international_routes_from_portla" WHERE "carriers"='air canada';

Question: Which Metropolitan area has Passengers larger than 130,903, and a Rank of 4?
SQL: SELECT "metropolitan_area" FROM "busiest_international_routes_from_portla" WHERE "passengers">'130,903' AND "rank"=4;

Question: Which Metropolitan area has an Airport of toronto pearson international airport?
SQL: SELECT "metropolitan_area" FROM "busiest_international_routes_from_portla" WHERE "airport"='toronto pearson international airport';