Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_17521433_1 ( average VARCHAR, evening_gown VARCHAR )

### Question ###
What was the average score for the country with the evening gown score of 9.100?

### Accurate SQL ###

SELECT COUNT(average) FROM table_17521433_1 WHERE evening_gown = "9.100"