user: Question: What country was the Pegasus, build by Royal Dockyard, from?
Columns: ['Country', 'Builder', 'Location', 'Ship', 'Class / type']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['United States', 'John Roach and Son', 'Chester, Pennsylvania', 'City of Rio de Janeiro', 'Passenger ship']
SQL:

assistant: SELECT "Country" FROM "Table" WHERE "Builder" = 'Royal Dockyard' AND "Ship" = 'Pegasus';