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_18955077_1 (interval_name VARCHAR, size__cents_ VARCHAR, just_ratio VARCHAR)

### Question ###
If the just ratio is 11:8 and the cents size is 560, what is the interval name?

### Accurate SQL ###

SELECT interval_name FROM table_18955077_1 WHERE size__cents_ = 560 AND just_ratio = "11:8"