equestrian at the 1980 summer olympics 

Statements about this table:
bulgaria have not win either a gold or a bronze medal
mexico have never win a gold or a silver medal , but have 3 bronze medal and a rank of 6
when bronze be 1 , gold show 0 for mexico (mex)
the gold number be 0 when the total be more than 8 , silver more than 1 and the rank be less than 7
rank
nation
gold
silver
bronze
total
1
soviet union (urs)
3
3
2
8
2
italy (ita)
1
1
0
2
2
poland (pol)
1
1
0
2
4
austria (aut)
1
0
0
1
rank
nation
gold
silver
bronze
total
5
bulgaria (bul)
0
1
0
1
6
mexico (mex)
0
0
3
3
7
romania (rou)
0
0
1
1