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_21808535_1 (round VARCHAR, date VARCHAR)

### Question ###
How many rounds were on July 10?

### Accurate SQL ###

SELECT COUNT(round) FROM table_21808535_1 WHERE date = "July 10"