CREATE TABLE "vessels" (
  "name" text,
  "built" real,
  "tonnage" text,
  "yard_no" real,
  "history" text
);

Question: What is the history behind the vessel Speedrunner IV (SSC4) built after 1997?
SQL: SELECT "history" FROM "vessels" WHERE "built">1997 AND "name"='speedrunner iv (ssc4)';

Question: What is the most recent year that Queen Nefertiti (pegasus two) was built?
SQL: SELECT MAX("built") FROM "vessels" WHERE "name"='queen nefertiti (pegasus two)';

Question: What is the history behind Speedrunner III (SSC3)?
SQL: SELECT "history" FROM "vessels" WHERE "name"='speedrunner iii (ssc3)';