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:
| No. | Name | Livery | Arrival | Type | Configuration | Builder | Built | Status | Location |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 3 | River Irt | Mid Green | 1917.0 | Steam | 0-8-2 | Sir Arthur Heywood | 1894.0 | Under overhaul | Workington |
| 7 | River Esk | Blackberry Black | 1923.0 | Steam | 2-8-2 | Davey Paxman & Co. | 1923.0 | Overhaul stalled | Engine shed |
| 9 | River Mite | Indian Red | 1966.0 | Steam | 2-8-2 | Clarkson & Sons | 1966.0 | In traffic | N/A |
| 10 | Northern Rock | Muscat Green | 1976.0 | Steam | 2-6-2 | R&ER | 1976.0 | In traffic | N/A |
| BVR 1 | Wroxham Broad | Sky Blue | 2013.0 | Steam | 2-6-4T | Guest Engineering | 1964.0 | In traffic | N/A |
| RHDR 5 | Hercules | Maroon | 2013.0 | Steam | 4-8-2 | Davey Paxman & Co. | 1927.0 | In traffic | N/A |
| 11 | Bonnie Dundee | Bronze Green | 1976.0 | Steam | 0-4-2 | Kerr Stuart | 1900.0 | Stored, unserviceable | Carriage shed |
| N/A | Synolda | NGR Blue | 1978.0 | Steam | 4-4-2 | Bassett-Lowke | 1912.0 | Operational | Museum |
| N/A | The Flower of the Forest | NER Green | 1992.0 | Steam | 0-2-2 | R&ER | 1985.0 | Stored, unserviceable | Carriage shed |
| 6 | Katie | Heywood Green | 1982.0 | Steam | 0-4-0T | Sir Arthur Heywood | 1896.0 | Stored, incomplete | Carriage shed |
| ICL 1 | Bunny | Green | 1922.0 | Petrol-Mechanical | B-2 | Francis Theakston | 1922.0 | Stored, unserviceable | Carriage shed |
| ICL 5 | Quarryman | Fordson Green | 1927.0 | Petrol-Mechanical | 4w | Muir-Hill | 1927.0 | Stored | Irton Road shed |
| ICL 4 | Perkins | Yellow | 1929.0 | Diesel-Mechanical | 4w-4 | Muir-Hill | 1929.0 | In traffic | N/A |
| ICL 7 | Shelagh of Eskdale | Apple & Brunswick Green | 1969.0 | Diesel-Mechanical | 4-6-4 | Severn-Lamb | 1969.0 | Awaiting new PU | Headshunt |
| ICL 8 | Lady Wakefield | Brunswick Green | 1980.0 | Diesel-Mechanical | B-B | R&ER | 1980.0 | Under overhaul | TMA Engineering |
| N/A | Greenbat | Dark Green | 1982.0 | Battery-Electric | 4w | Greenwood & Batley | 1957.0 | Stored, unserviceable | Headshunt |
| ICL 9 | Cyril | Unlined Green | 1985.0 | Diesel-Mechanical | 4w | R.A. Lister | 1932.0 | Station pilot | N/A |
| ICL 10 | Les | Dark Green | 1999.0 | Diesel-Mechanical | 4w | R.A. Lister | 1960.0 | Workshop pilot | N/A |
Question:
How many are named River Esk
Answer:
1.0