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:
| HR no. | HR name | CR no. | LMS no. | Built | Works | Withdrawn |
| --- | --- | --- | --- | --- | --- | --- |
| 70 | River Ness | 938.0 | 14756.0 | 9/1915 | Hawthorn Leslie 3095 | 10/1939 |
| 71 | River Spey | 939.0 | 14757.0 | 9/1915 | Hawthorn Leslie 3096 | 12/1936 |
| (72) | (River Tay) | 940.0 | 14758.0 | 11/1915 | Hawthorn Leslie 3097 | 9/1945 |
| (73) | (River Findhorn) | 941.0 | 14759.0 | 11/1915 | Hawthorn Leslie 3098 | 2/1939 |
| (74) | (River Garry) | 942.0 | 14760.0 | 12/1915 | Hawthorn Leslie 3099 | 12/1946 |
| (75) | (River Tummel) | 943.0 | 14761.0 | 12/1915 | Hawthorn Leslie 3100 | 10/1939 |
Question:
What's the HR Number when the LMS number is 14757 and has a built of 9/1915?
Answer:
71.0