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_43 (_number_of_lanes VARCHAR, street VARCHAR)

### Question ###
What is the # of lanes on 20th street?

### Accurate SQL ###

SELECT _number_of_lanes FROM table_name_43 WHERE street = "20th street"