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:
| SECR No. | SR No. | BR No. | Builder | Date Delivered | Date Withdrawn |
| --- | --- | --- | --- | --- | --- |
| 760.0 | 1760.0 | 31760.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
| 761.0 | 1761.0 | 31761.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1956 |
| 762.0 | 1762.0 | 31762.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1960 |
| 763.0 | 1763.0 | 31763.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1960 |
| 764.0 | 1764.0 | 31764.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
| 765.0 | 1765.0 | 31765.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
| 766.0 | 1766.0 | 31766.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
| 767.0 | 1767.0 | 31767.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1958 |
| 768.0 | 1768.0 | 31768.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
| 769.0 | 1769.0 | 31769.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1956 |
| 770.0 | 1770.0 | 31770.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1959 |
| 771.0 | 1771.0 | 31771.0 | Beyer Peacock | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
| 772.0 | 1772.0 | 31772.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1959 |
| 773.0 | 1773.0 | 31773.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1959 |
| 774.0 | 1774.0 | 31774.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1958 |
| 775.0 | 1775.0 | 31775.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1959 |
| 776.0 | 1776.0 | 31776.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
| 777.0 | 1777.0 | 31777.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1959 |
| 778.0 | 1778.0 | 31778.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1959 |
| 779.0 | 1779.0 | 31779.0 | Borsig | Cannot handle non-empty timestamp argument! 1914 | Cannot handle non-empty timestamp argument! 1961 |
Question:
Who is the builder for br no. 31779?
Answer:
Borsig