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:
| Year | Numer of Jamaicans granted British citizenship | Naturalisation by residence | Naturalisation by marriage | Registration of a minor child | Registration by other means |
| --- | --- | --- | --- | --- | --- |
| 1997.0 | 732.0 | 327.0 | 279.0 | 114.0 | 12.0 |
| 1998.0 | 1370.0 | 571.0 | 564.0 | 221.0 | 14.0 |
| 1999.0 | 1437.0 | 678.0 | 526.0 | 226.0 | 7.0 |
| 2000.0 | 1882.0 | 927.0 | 664.0 | 281.0 | 10.0 |
| 2001.0 | 2070.0 | 1025.0 | 710.0 | 330.0 | 0.0 |
| 2002.0 | 2025.0 | 1035.0 | 705.0 | 285.0 | 0.0 |
| 2003.0 | 2795.0 | 1285.0 | 985.0 | 520.0 | 5.0 |
| 2004.0 | 3180.0 | 1415.0 | 1060.0 | 640.0 | 65.0 |
| 2005.0 | 3515.0 | 1585.0 | 1080.0 | 770.0 | 80.0 |
| 2006.0 | 2525.0 | 1110.0 | 710.0 | 655.0 | 55.0 |
| 2007.0 | 3165.0 | 1575.0 | 825.0 | 725.0 | 45.0 |
Question:
what's the naturalisation  by marriage with numer of jamaicans granted british citizenship being 3165
Answer:
825.0