CREATE TABLE "references" (
  "country" text,
  "builder" text,
  "location" text,
  "ship" text,
  "class_type" text
);

Question: What Ship was Built by Cammell Laird?
SQL: SELECT "ship" FROM "references" WHERE "builder"='cammell laird';

Question: What Country is the John S. McCain Ship from?
SQL: SELECT "country" FROM "references" WHERE "ship"='john s. mccain';

Question: What is the Cargo Ship located at Birkenhead?
SQL: SELECT "ship" FROM "references" WHERE "class_type"='cargo ship' AND "location"='birkenhead';