Question: What is the toll for light vehicles at the plaza where the toll for heavy vehicles with 2 axles is r87.00?
Schema: create table table_1211545_2 (light_vehicle varchar, heavy_vehicle__2_axles_ varchar, PRIMARY KEY (light_vehicle))
SQL: select light_vehicle from table_1211545_2 where heavy_vehicle__2_axles_ = "r87.00"