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_87 (appeared INTEGER, rr_w_rate VARCHAR, player VARCHAR)

### Question ###
For Angelique Kerber who had an RR Rate of less than 0.33, what's the appeared?

### Accurate SQL ###

SELECT SUM(appeared) FROM table_name_87 WHERE rr_w_rate < 0.33 AND player = "angelique kerber"