CREATE TABLE "list_of_braathens_aircraft" (
  "manufacturer" text,
  "model" text,
  "quantity" real,
  "introduced" real,
  "retired" real
);

Question: How many in the introduced section had Fokker as a manufacturer, a quantity of 5, and retired later than 1999?
SQL: SELECT SUM("introduced") FROM "list_of_braathens_aircraft" WHERE "manufacturer"='fokker' AND "quantity"=5 AND "retired">1999;

Question: What is the total number of quantity when the introductory year was 1984?
SQL: SELECT SUM("quantity") FROM "list_of_braathens_aircraft" WHERE "introduced"=1984;

Question: How many in the introduced segment retired later than 1994 and had Fokker as a manufacturer?
SQL: SELECT COUNT("introduced") FROM "list_of_braathens_aircraft" WHERE "retired">1994 AND "manufacturer"='fokker';

Question: How many in the quantity section had Fokker as a manufacturer and retired later than 1999?
SQL: SELECT COUNT("quantity") FROM "list_of_braathens_aircraft" WHERE "manufacturer"='fokker' AND "retired">1999;