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_22871239_9 (high_rebounds VARCHAR, arena_attendance VARCHAR)

### Question ###
Name the high rebounds for td garden 18,624

### Accurate SQL ###

SELECT high_rebounds FROM table_22871239_9 WHERE arena_attendance = "TD Garden 18,624"