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:
| Class | Quantity | Manufacturer | Motor | Seats |
| --- | --- | --- | --- | --- |
| BS 1897 | 16.0 | Falkenried | UEG | 16.0 |
| BS 1910 | 6.0 | Unknown | AEG | 16.0 |
| BS 1913 | 8.0 | Nordwaggon | AEG | 24.0 |
| BS 1915 | 10.0 | P. Herbrand & Cie | AEG | 18.0 |
| BS 1921 | 19.0 | Nordwaggon | AEG | 24.0 |
| KES 1909 | 1.0 | P. Herbrand & Cie | Siemens | 24.0 |
| KSS 1913 | 1.0 | Falkenried | Siemens | 16.0 |
| BS 1947 | 10.0 | Strømmen | Norsk Elektrisk og Brown Boveri | 23.0 |
Question:
What is the quantity when the seats number was 16 and the class was kss 1913?
Answer:
1.0