CREATE TABLE "construction" (
  "ship" text,
  "site" text,
  "guns" real,
  "naval_constructor" text,
  "superintendent" text
);

Question: What is the site when the superintendent was John Barry?
SQL: SELECT "site" FROM "construction" WHERE "superintendent"='john barry';

Question: What is the number of guns when the superintendent was Silas Talbot?
SQL: SELECT "guns" FROM "construction" WHERE "superintendent"='silas talbot';

Question: What is the site when the superintendent was James Sever?
SQL: SELECT "site" FROM "construction" WHERE "superintendent"='james sever';