Table:
text: Locomotives of the Great Western Railway
Locomotives of amalgamated companies (1920 - 1924)
Llanelly and Mynydd Mawr Railway
Manufacturer Type_ Quantity LMMR_Name GWR_No_
Andrew Barclay Sons & Co. 0-6-0T 1 George Waddell 312
Hudswell Clarke 0-6-0T 2 Tarndune 339
Hudswell Clarke 0-6-0ST 1 Hilda 359
Manning Wardle 0-6-0T 1 Victory 704
Hudswell Clarke 0-6-0T 1 Ravelston 803
Hudswell Clarke 0-6-0T 1 Merkland 937
Avonside Engine Company 0-6-0T 1 Great Mountain 944
Fox, Walker & Co. 0-6-0ST 1 Seymour Clarke 969

Question: Which manufacturer has the #1 quantity and LMMR name Great Mountain among the Great Western Railway's merged company locomotives of 1920-1924?