rnd          date                             race name length                               track                  location      pole position     winning driver
0     1      march 14                       jimmy bryan 150      -       phoenix international raceway        avondale , arizona           al unser        bobby unser
1     2         may 2                           trenton 200      -      trenton international speedway      trenton , new jersey           a j foyt  johnny rutherford
2     3        may 30    international 500 mile sweepstakes      -         indianapolis motor speedway        speedway , indiana  johnny rutherford  johnny rutherford
3     4       june 13                      rex mays classic      -  wisconsin state fair park speedway    west allis , wisconsin    gordon johncock        mike mosley
4     5       june 27                          schaefer 500      -        pocono international raceway  long pond , pennsylvania     johnny parsons           al unser
5     6       july 18                      norton twin 200s      -     michigan international speedway       brooklyn , michigan           a j foyt    gordon johncock
6     7      august 1                             texas 150      -                texas world speedway   college station , texas           a j foyt           a j foyt
7     8     august 15                           trenton 200      -      trenton international speedway      trenton , new jersey           a j foyt    gordon johncock
8     9     august 22                 tony bettenhausen 200      -  wisconsin state fair park speedway    west allis , wisconsin  johnny rutherford           al unser
9    10   september 5                        california 500      -              ontario motor speedway      ontario , california           a j foyt        bobby unser
10   11  september 18                          michigan 150      -     michigan international speedway       brooklyn , michigan           a j foyt           a j foyt
11   12    october 31  benihana world series of auto racing      -                texas world speedway   college station , texas           a j foyt  johnny rutherford

Table as JSON:
{"rnd":{"0":1,"1":2,"2":3,"3":4,"4":5,"5":6,"6":7,"7":8,"8":9,"9":10,"10":11,"11":12},"date":{"0":"march 14","1":"may 2","2":"may 30","3":"june 13","4":"june 27","5":"july 18","6":"august 1","7":"august 15","8":"august 22","9":"september 5","10":"september 18","11":"october 31"},"race name":{"0":"jimmy bryan 150","1":"trenton 200","2":"international 500 mile sweepstakes","3":"rex mays classic","4":"schaefer 500","5":"norton twin 200s","6":"texas 150","7":"trenton 200","8":"tony bettenhausen 200","9":"california 500","10":"michigan 150","11":"benihana world series of auto racing"},"length":{"0":"-","1":"-","2":"-","3":"-","4":"-","5":"-","6":"-","7":"-","8":"-","9":"-","10":"-","11":"-"},"track":{"0":"phoenix international raceway","1":"trenton international speedway","2":"indianapolis motor speedway","3":"wisconsin state fair park speedway","4":"pocono international raceway","5":"michigan international speedway","6":"texas world speedway","7":"trenton international speedway","8":"wisconsin state fair park speedway","9":"ontario motor speedway","10":"michigan international speedway","11":"texas world speedway"},"location":{"0":"avondale , arizona","1":"trenton , new jersey","2":"speedway , indiana","3":"west allis , wisconsin","4":"long pond , pennsylvania","5":"brooklyn , michigan","6":"college station , texas","7":"trenton , new jersey","8":"west allis , wisconsin","9":"ontario , california","10":"brooklyn , michigan","11":"college station , texas"},"pole position":{"0":"al unser","1":"a j foyt","2":"johnny rutherford","3":"gordon johncock","4":"johnny parsons","5":"a j foyt","6":"a j foyt","7":"a j foyt","8":"johnny rutherford","9":"a j foyt","10":"a j foyt","11":"a j foyt"},"winning driver":{"0":"bobby unser","1":"johnny rutherford","2":"johnny rutherford","3":"mike mosley","4":"al unser","5":"gordon johncock","6":"a j foyt","7":"gordon johncock","8":"al unser","9":"bobby unser","10":"a j foyt","11":"johnny rutherford"}}