user: Question: List the ship with 1x115-2x70-2x12-pounders for primary artillery.
Columns: ['Warship', 'tons ( L.ton )', 'Horse- power', 'Speed ( Knots )', 'Main Artillery', 'Built Year']
Types: ['text', 'text', 'real', 'real', 'text', 'real']
Sample row: ["O'Higgins", '1,101', 300.0, 12.0, '3x115-2x70-2x12-pounders', 1874.0]
SQL:

assistant: SELECT "Warship" FROM "Table" WHERE "Main Artillery" = '1x115-2x70-2x12-pounders';