col : rank | nation | gold | silver | bronze | total row 1 : 1.0 | brazil | 21 | 9 | 12 | 42 row 2 : 2.0 | united states | 9 | 3 | 6 | 18 row 3 : 3.0 | china | 1 | 9 | 8 | 18 row 4 : 4.0 | australia | 1 | 1 | 1 | 3 row 5 : 4.0 | netherlands | 1 | 1 | 1 | 3 row 6 : 6.0 | estonia | 1 | 0 | 0 | 1 row 7 : 7.0 | germany | 0 | 5 | 1 | 6 row 8 : 8.0 | russia | 0 | 2 | 3 | 5 row 9 : 9.0 | argentina | 0 | 2 | 0 | 2 row 10 : 10.0 | switzerland | 0 | 1 | 1 | 2 row 11 : 11.0 | norway | 0 | 1 | 0 | 1 row 12 : 12.0 | austria | 0 | 0 | 1 | 1
what is the total medal count of the united states? which countries have a medal count of 18? of those, what are the total silver medal counts represented? which country has a silver medal count of 9?
china
Rank Nation Gold Silver Bronze Total
which country has a silver medal count of 9?
1.0 Brazil 21 9 12 42
2.0 United States 9 3 6 18
3.0 China 1 9 8 18
4.0 Australia 1 1 1 3
4.0 Netherlands 1 1 1 3
6.0 Estonia 1 0 0 1
7.0 Germany 0 5 1 6
8.0 Russia 0 2 3 5
9.0 Argentina 0 2 0 2
10.0 Switzerland 0 1 1 2
11.0 Norway 0 1 0 1
12.0 Austria 0 0 1 1
China
which country has a silver medal count of 9? || of those, what are the total silver medal counts represented? | which countries have a medal count of 18? | what is the total medal count of the united states?