Result
city                 | crime_rate | error_diff              
----                ----------------------              
'Seattle'        | 'med'          | 43291.199184089375
'Los Angeles' | 'med'          | 15967.0                   
'Los Angeles' | 'high'        | -29884.60386228995
'Los Angeles' | 'low'          | -49481.0                  
'Seattle'        | 'low'          | -55862.5359342112 

-------Compile time: 0.015, Execution time: 0.006