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_3 ( series VARCHAR, home VARCHAR, date VARCHAR )

### Question ###
Which series is based in Toronto on may 18?

### Accurate SQL ###

SELECT series FROM table_name_3 WHERE home = "toronto" AND date = "may 18"