CREATE TABLE "ships" (
  "ship" text,
  "builder" text,
  "namesake" text,
  "renamed" text,
  "laid_down" text,
  "launched" text,
  "commissioned_or_completed" text
);

Question: What date was the ship 'Wyandotte' launched?
SQL: SELECT "launched" FROM "ships" WHERE "ship"='wyandotte';

Question: What was the original name of the ship 'Ajax'?
SQL: SELECT "renamed" FROM "ships" WHERE "ship"='ajax';

Question: What date was the ship named Manhattan completed?
SQL: SELECT "commissioned_or_completed" FROM "ships" WHERE "ship"='manhattan';