Table:
text: Shooting thaler
20th- and 21st-century Swiss Confederation issues
Later thalers with event location and year, showing denomination, metal, number struck and Standard Catalog of World Coins reference number
Location_ Date_ Denomination Coinage_metal Mintage KM_number
Rorscach 1994 01000 1,000 francs Gold 200 S45
Thun 1995 00050 50 francs Silver 5000 S46
Thun 1995 00500 500 francs Gold 500 S47
Sempach 1996 00050 50 francs Silver 1500 S48
Sempach 1996 00500 500 francs Gold 96 S49
Neuhausen am Rheinfall 1997 00050 50 francs Silver 1500 S50
Neuhausen am Rheinfall 1997 00500 500 francs Gold 97 S51
Schwyz 1998 00050 50 francs Silver 1500 S52
Schwyz 1998 00500 500 francs Gold 98 S53
Zürich 1999 00005 5 francs Copper–Nickel 2000 S54
Zürich 1999 00020 20 francs Silver 10000 S55
Sion 1999 00050 50 francs Silver 1500 S57
Zürich 1999 00200 200 francs Gold 100 S56

Question: What is the coin metal for KM numbers of S45 under Schützentaler?