user: Question: Which fleet was named Orenburg?
Columns: ['Shipyard', 'Name', 'Laid down', 'Launched', 'Commissioned', 'Fleet']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['SEVMASH, Severodvinsk', 'NA', '30 January 1974', '11 February 1976', '30 December 1976', 'Northern']
SQL:

assistant: SELECT "Fleet" FROM "Table" WHERE "Name" = 'Orenburg';