Question: with delivery date of 2001 2001 what is the owns?
SQL: SELECT "Owns" FROM "2-13580133-1" WHERE "Delivery Date" = '2001 2001';

Question: with delivery date of 2001 2001 what is gross tonnage?
SQL: SELECT AVG("Gross Tonnage") FROM "2-13580133-1" WHERE "Delivery Date" = '2001 2001';

Question: with delivery date 1997 1997 what is the owns?
SQL: SELECT "Owns" FROM "2-13580133-1" WHERE "Delivery Date" = '1997 1997';