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_1211545_2 ( name VARCHAR, heavy_vehicle__2_axles_ VARCHAR )

### Question ###
What is the name of the plaza where the told for heavy vehicles with 2 axles is r20.50?

### Accurate SQL ###

SELECT name FROM table_1211545_2 WHERE heavy_vehicle__2_axles_ = "R20.50"