user: Question: What is the name of the ship that had a Pennant number of H55?
Columns: ['Ship', 'Pennant number', 'Laid down', 'Launched', 'Completed']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Hardy', '(H87) Flotilla Leader', '30 May 1935', '7 April 1936', '11 December 1936']
SQL:

assistant: SELECT "Ship" FROM "Table" WHERE "Pennant number" = 'H55';