Table: vessel_episodes
Columns: no_in_series
no_in_season
title
vessel_type
vessel_operator
narrated_by
original_air_date

Question: How many times is the vessel operator canadian coast guard?
SQL: SELECT COUNT("no_in_series") FROM vessel_episodes WHERE "vessel_operator" = 'Canadian Coast Guard'

Question: What is the vessel type for vessel operator Jumbo shipping?
SQL: SELECT "vessel_type" FROM vessel_episodes WHERE "vessel_operator" = 'Jumbo Shipping'

Question: Who narrated when the vessel operator is de beers?
SQL: SELECT "narrated_by" FROM vessel_episodes WHERE "vessel_operator" = 'De Beers'