Question: How many times is the vessel operator Canadian Coast Guard?
SQL: SELECT COUNT("No. in series") FROM "1-26168687-3" WHERE "Vessel Operator" = 'Canadian Coast Guard';

Question: What is the vessel type for vessel operator Jumbo Shipping?
SQL: SELECT "Vessel Type" FROM "1-26168687-3" WHERE "Vessel Operator" = 'Jumbo Shipping';

Question: Who narrated when the vessel operator is De Beers?
SQL: SELECT "Narrated by" FROM "1-26168687-3" WHERE "Vessel Operator" = 'De Beers';