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_72281 ( "Name" text, "Location" text, "Light vehicle" text, "Heavy vehicle (2 axles)" text, "Heavy vehicle (3/4 axles)" text, "Heavy vehicle (5+ axles)" text )

### 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_72281 WHERE "Heavy vehicle (2 axles)" = 'R20.50'