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:
| Location | Date | Denomination | Coinage metal | Mintage | KM number |
| --- | --- | --- | --- | --- | --- |
| Fribourg | 1934.0 | 00005 5 francs | Silver | 40650.0 | S18 |
| Fribourg | 1934.0 | 00100 100 francs | Gold | 2000.0 | S19 |
| Lucerne | 1939.0 | 00005 5 francs | Silver | 40000.0 | S20 |
| Lucerne | 1939.0 | 00100 100 francs | Gold | 6000.0 | S21 |
| Oberhasli | 1984.0 | 00050 50 francs | Silver | 6300.0 | S22 |
| Oberhasli | 1984.0 | 01000 1,000 francs | Gold | 300.0 | S23 |
| Altdorf | 1985.0 | 00050 50 francs | Silver | 3500.0 | S24 |
| Altdorf | 1985.0 | 01000 1,000 francs | Gold | 300.0 | S25 |
| Appenzell | 1986.0 | 00050 50 francs | Silver | 3700.0 | S26 |
| Appenzell | 1986.0 | 01000 1,000 francs | Gold | 300.0 | S27 |
| Glarus | 1987.0 | 00050 50 francs | Silver | 3200.0 | S28 |
| Glarus | 1987.0 | 01000 1,000 francs | Gold | 300.0 | S29 |
| Brugg | 1988.0 | 00050 50 francs | Silver | 3000.0 | S30 |
| Brugg | 1988.0 | 01000 1,000 francs | Gold | 400.0 | S31 |
| Menzingen | 1989.0 | 00050 50 francs | Silver | 2200.0 | S32 |
| Menzingen | 1989.0 | 01000 1,000 francs | Gold | 250.0 | S33 |
| Winterthur | 1990.0 | 00050 50 francs | Silver | 5000.0 | S34 |
| Winterthur | 1990.0 | 01000 1,000 francs | Gold | 250.0 | S35 |
| Langenthal | 1991.0 | 00050 50 francs | Silver | 4000.0 | S38 |
| Langenthal | 1991.0 | 01000 1,000 francs | Gold | 400.0 | S39 |
| Dielsdorf | 1992.0 | 00050 50 francs | Silver | 1750.0 | S40 |
| Dielsdorf | 1992.0 | 01000 1,000 francs | Gold | 175.0 | S41 |
| Weinfelden | 1993.0 | 00050 50 francs | Silver | 2200.0 | S42 |
| Weinfelden | 1993.0 | 01000 1,000 francs | Gold | 200.0 | S43 |
| Rorschach | 1994.0 | 00050 50 francs | Silver | 2200.0 | S44 |
| Rorscach | 1994.0 | 01000 1,000 francs | Gold | 200.0 | S45 |
| Thun | 1995.0 | 00050 50 francs | Silver | 5000.0 | S46 |
| Thun | 1995.0 | 00500 500 francs | Gold | 500.0 | S47 |
| Sempach | 1996.0 | 00050 50 francs | Silver | 1500.0 | S48 |
| Sempach | 1996.0 | 00500 500 francs | Gold | 96.0 | S49 |
| Neuhausen am Rheinfall | 1997.0 | 00050 50 francs | Silver | 1500.0 | S50 |
| Neuhausen am Rheinfall | 1997.0 | 00500 500 francs | Gold | 97.0 | S51 |
| Schwyz | 1998.0 | 00050 50 francs | Silver | 1500.0 | S52 |
| Schwyz | 1998.0 | 00500 500 francs | Gold | 98.0 | S53 |
| Zürich | 1999.0 | 00005 5 francs | Copper–Nickel | 2000.0 | S54 |
| Zürich | 1999.0 | 00020 20 francs | Silver | 10000.0 | S55 |
| Sion | 1999.0 | 00050 50 francs | Silver | 1500.0 | S57 |
| Zürich | 1999.0 | 00200 200 francs | Gold | 100.0 | S56 |
| Sion | 1999.0 | 00500 500 francs | Gold | 99.0 | S58 |
| Bière | 2000.0 | 00050 50 francs | Silver | 3500.0 | S59 |
| Bière | 2000.0 | 00500 500 francs | Gold | 300.0 | S60 |
| Altdorf, Uri | 2001.0 | 00050 50 francs | Silver | 1500.0 | S61 |
| Altdorf, Uri | 2001.0 | 00500 500 francs | Gold | 150.0 | S62 |
| Zürich | 2002.0 | 00050 50 francs | Silver | 1500.0 | S63 |
| Zürich | 2002.0 | 00500 500 francs | Gold | 150.0 | S64 |
| Liestal | 2003.0 | 00050 50 francs | Silver | 1500.0 | S65 |
| Liestal | 2003.0 | 00500 500 francs | Gold | 150.0 | S66 |
| Fribourg | 2004.0 | 00050 50 francs | Silver | 1500.0 | S67 |
| Fribourg | 2004.0 | 00500 500 francs | Gold | 150.0 | S68 |
| Brusio | 2005.0 | 00050 50 francs | Silver | 1500.0 | S69 |
| Brusio | 2005.0 | 00500 500 francs | Gold | 150.0 | S70 |
| Solothurn | 2006.0 | 00050 50 francs | Silver | 2000.0 | S71 |
| Solothurn | 2006.0 | 00500 500 francs | Gold | 200.0 | S72 |
| Lucerne | 2007.0 | 00050 50 francs | Silver | 2000.0 | S73 |
| Lucerne | 2007.0 | 00500 500 francs | Gold | 200.0 | S74 |
| Geneva | 2008.0 | 00050 50 francs | Silver | 1500.0 | S75 |
| Geneva | 2008.0 | 00500 500 francs | Gold | 150.0 | S76 |
| Obwalden | 2009.0 | 00050 50 francs | Silver | 1500.0 | S77 |
| Obwalden | 2009.0 | 00500 500 francs | Gold | 175.0 | S78 |
| Aarau | 2010.0 | 00050 50 francs | Silver | 2000.0 | S79 |
Question:
What is the coinage metal for a KM number of S75?
Answer:
Silver