Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Warship | tons ( L.ton ) | Horse- power | Speed ( Knots ) | Armour (Inch) | Main Artillery | Built Year |
| --- | --- | --- | --- | --- | --- | --- |
| Cochrane | 3560.0 | 2000.0 | 9-12,8 | up to 9 | 6x9 Inch | 1874.0 |
| Blanco Encalada | 3560.0 | 3000.0 | 9-12,8 | up to 9 | 6x9 Inch | 1874.0 |
| Huascar | 1130.0 | 1200.0 | 10-11 | 4½ | 2x300-pounders | 1865.0 |
| Independencia | 2004.0 | 1500.0 | 12-13 | 4½ | 2x150-pounders | 1865.0 |
| Manco Cápac | 1034.0 | 320.0 | 6 | 10 | 2x500-pounders | 1864.0 |
Question:
What's Blanco Encalada's main artillery?
Answer:
6x9 Inch