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 | Host | Gold | Silver | Bronze |
| --- | --- | --- | --- | --- |
| 1976 | Paraguay (Asunción) | Brazil | Paraguay | Argentina |
| 1981 | Peru (Lima) | Brazil | Colombia | Argentina |
| 1986 | Colombia (Cúcuta) | Brazil | Colombia | Peru |
| 1987 | Argentina (Mar del Plata) | Argentina | Brazil | Chile |
| 1990 | Ecuador (Ibarra) | Brazil | Argentina | Ecuador |
| 1992 | Chile (Santiago) | Brazil | Argentina | Colombia |
| 1995 | Brazil (São Roque) | Colombia | Brazil | Argentina |
| 1996 | Ecuador (Quito) | Argentina | Brazil | Colombia |
| 1998 | Chile (Ancud) | Brazil | Argentina | Bolivia |
| 2000 | Venezuela (San Felipe) | Brazil | Argentina | Venezuela |
| 2002 | Chile (Santiago) | Ecuador | Chile | Paraguay |
| 2004 | Bolivia (Quillacollo) | Brazil | Argentina | Bolivia |
| 2005 | Paraguay (Asunción) | Argentina | Brazil | Paraguay |
| 2007 | Venezuela (Guanare) | Venezuela | Argentina | Brazil |
| 2009 | Chile (Santiago) | Brazil | Chile | Argentina |
| 2011 | Colombia (Pasto) | Colombia | Argentina | Brazil |
| 2013 | Ecuador (Portoviejo) | Brazil | Argentina | Chile |
Question:
what country has won at least eight silvers?
Answer:
Argentina