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_34 (result_s_ VARCHAR, format_s_ VARCHAR, date VARCHAR)

### Question ###
What are the results of Format single on March 21?

### Accurate SQL ###

SELECT result_s_ FROM table_name_34 WHERE format_s_ = "single" AND date = "march 21"