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| HR Number | Name | LMS Number | BR number | Withdrawn |
| --- | --- | --- | --- | --- |
| 49.0 | Clan Campbell | 14762.0 | — | Cannot handle non-empty timestamp argument! 1947 |
| 51.0 | Clan Fraser | 14763.0 | — | Cannot handle non-empty timestamp argument! 1944 |
| 52.0 | Clan Munro | 14764.0 | 54764 | Cannot handle non-empty timestamp argument! 1948 |
| 53.0 | Clan Stewart | 14765.0 | — | Cannot handle non-empty timestamp argument! 1945 |
| 54.0 | Clan Chattan | 14766.0 | — | Cannot handle non-empty timestamp argument! 1944 |
| 55.0 | Clan Mackinnon | 14767.0 | 54767 | Cannot handle non-empty timestamp argument! 1950 |
| 56.0 | Clan Mackenzie | 14768.0 | — | Cannot handle non-empty timestamp argument! 1945 |
| 57.0 | Clan Cameron | 14769.0 | — | Cannot handle non-empty timestamp argument! 1943 |
Question:
Which BR number has an LMS number over 14768?
Answer:
—