|Rank|Nation|Gold|Silver|Bronze|Total|
|---|---|---|---|---|---|
|1|Nigeria|14|12|9|35|
|2|Algeria|9|4|4|17|
|3|Kenya|8|11|4|23|
|4|Ethiopia|2|4|7|13|
|5|Ghana|2|2|2|6|
|6|Ivory Coast|2|1|3|6|
|7|Egypt|2|1|0|3|
|8|Senegal|1|1|5|7|
|9|Morocco|1|1|1|3|
|10|Tunisia|0|3|1|4|
|11|Madagascar|0|1|1|2|
|12|Rwanda|0|0|1|1|
|12|Zimbabwe|0|0|1|1|
|12|Seychelles|0|0|1|1|

Question: how many silver medals did kenya earn?
Answer: 11