Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Sanctioning | Race Name | Circuit | City/Location | Date |
| --- | --- | --- | --- | --- |
| Joint CART/USAC (CRL) | Datsun Twin 200 | Ontario Motor Speedway | Ontario, California | April 13 |
| Joint CART/USAC (CRL) | Indianapolis 500-Mile Race | Indianapolis Motor Speedway | Indianapolis , Indiana | May 26 |
| Joint CART/USAC (CRL) | Gould Rex Mays Classic 150 | Milwaukee Mile | West Allis, Wisconsin | June 8 |
| Joint CART/USAC (CRL) | True Value 500 | Pocono Raceway | Long Pond, Pennsylvania | June 22 |
| Joint CART/USAC (CRL) | Red Roof Inns 150 | Mid-Ohio Sports Car Course | Lexington, Ohio | July 13 |
| CART | Norton 200 | Michigan International Speedway | Brooklyn, Michigan | July 20 |
| CART | Kent Oil 150 | Watkins Glen International | Watkins Glen, New York | August 3 |
| CART | Tony Bettenhausen 200 | Milwaukee Mile | West Allis, Wisconsin | August 10 |
| CART | California 500 | Ontario Motor Speedway | Ontario, California | August 31 |
| CART | Gould Grand Prix 150 | Michigan International Speedway | Brooklyn, Michigan | September 20 |
| CART | I Copa México 150 | Autódromo Hermanos Rodríguez | Mexico City, Mexico | October 26 |
| CART | Miller High Life 150 | Phoenix International Raceway | Avondale, Arizona | November 8 |
Question:
Where did the Gould Rex Mays Classic 150 occur?
Answer:
West Allis, Wisconsin