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:
| Built | Number | Type | SLM Number | Wheel arrangement | Location | Notes |
| --- | --- | --- | --- | --- | --- | --- |
| 1895.0 | 1.0 | Mountain Railway Rack Steam Locomotive | 923.0 | 0-4-2 T | Snowdon Mountain Railway | “L.A.D.A.S” |
| 1895.0 | 2.0 | Mountain Railway Rack Steam Locomotive | 924.0 | 0-4-2 T | Snowdon Mountain Railway | “Enid” |
| 1895.0 | 3.0 | Mountain Railway Rack Steam Locomotive | 925.0 | 0-4-2 T | Snowdon Mountain Railway | “Wyddfa” |
| 1896.0 | 4.0 | Mountain Railway Rack Steam Locomotive | 988.0 | 0-4-2 T | Snowdon Mountain Railway | “Snowdon” |
| 1896.0 | 5.0 | Mountain Railway Rack Steam Locomotive | 989.0 | 0-4-2 T | Snowdon Mountain Railway | “Moel Siabod” |
| 1922.0 | 6.0 | Mountain Railway Rack Steam Locomotive | 2838.0 | 0-4-2 T | Snowdon Mountain Railway | “Padarn” |
| 1923.0 | 7.0 | Mountain Railway Rack Steam Locomotive | 2869.0 | 0-4-2 T | Snowdon Mountain Railway | “Ralph” |
| 1923.0 | 8.0 | Mountain Railway Rack Steam Locomotive | 2870.0 | 0-4-2 T | Snowdon Mountain Railway | “Eryri” |
Question:
Which type of locomotive was built in 1923?
Answer:
Mountain Railway Rack Steam Locomotive, Mountain Railway Rack Steam Locomotive