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_45 (total INTEGER, nation VARCHAR, gold VARCHAR)

### Question ###
What is the sum of Total, when Nation is West Germany, and when Gold is greater than 2?

### Accurate SQL ###

SELECT SUM(total) FROM table_name_45 WHERE nation = "west germany" AND gold > 2