human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Name, Location, Light vehicle, Heavy vehicle (2 axles), Heavy vehicle (3/4 axles), Heavy vehicle (5+ axles)
###Question: What is the name of the plaza where the told for heavy vehicles with 2 axles is r20.50?
gpt
SELECT Name FROM table WHERE Heavy vehicle (2 axles) = R20.50