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_name_48 ( rank INTEGER, nation VARCHAR, bronze VARCHAR, silver VARCHAR, gold VARCHAR )

### Question ###
What is the average rank of west germany (frg), which has more than 1 silver, less than 11 gold, and 2 bronze medals?

### Accurate SQL ###

SELECT AVG(rank) FROM table_name_48 WHERE silver > 1 AND gold < 11 AND bronze = 2 AND nation = "west germany (frg)"