rnd          date                           race name length                               track                      location         type      pole position     winning driver
0     1      march 18                     jimmy bryan 150      -       phoenix international raceway            avondale , arizona         oval       danny ongais    gordon johncock
1     2      march 26                     datsun twin 200      -              ontario motor speedway          ontario , california         oval          tom sneva       danny ongais
2     3      april 15                           coors 200      -                texas world speedway       college station , texas         oval       danny ongais       danny ongais
3     4      april 23                         gabriel 200      -      trenton international speedway          trenton , new jersey         oval          tom sneva    gordon johncock
4     5        may 28  international 500 mile sweepstakes      -         indianapolis motor speedway            speedway , indiana         oval          tom sneva           al unser
5     6       june 11                 molson diamond indy      -                        mosport park          bowmanville , canada  road course       danny ongais       danny ongais
6     7       june 18                    rex mays classic      -  wisconsin state fair park speedway        west allis , wisconsin         oval       danny ongais         rick mears
7     8       june 25                        schaefer 500      -        pocono international raceway      long pond , pennsylvania         oval       danny ongais           al unser
8     9       july 16                     norton twin 200      -     michigan international speedway           brooklyn , michigan         oval          tom sneva  johnny rutherford
9    10       july 23                    gould twin dixie      -       atlanta international raceway             hampton , georgia         oval          tom sneva         rick mears
10   11      august 6                    texas grand prix      -                texas world speedway       college station , texas         oval          tom sneva           a j foyt
11   12     august 20               tony bettenhausen 200      -  wisconsin state fair park speedway        west allis , wisconsin         oval       danny ongais       danny ongais
12   13   september 3                      california 500      -              ontario motor speedway          ontario , california         oval          tom sneva           al unser
13   14  september 16                    gould grand prix      -     michigan international speedway           brooklyn , michigan         oval  johnny rutherford       danny ongais
14   15  september 23                 machinist union 150      -      trenton international speedway          trenton , new jersey         oval           a j foyt     mario andretti
15   16     october 1      daily empress indy silverstone      -                 silverstone circuit  silverstone , united kingdom  road course       danny ongais           a j foyt
16   17     october 7              daily mail indy trophy      -         brands hatch (indy circuit)      fawkham , united kingdom  road course           al unser         rick mears

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,"12":13,"13":14,"14":15,"15":16,"16":17},"date":{"0":"march 18","1":"march 26","2":"april 15","3":"april 23","4":"may 28","5":"june 11","6":"june 18","7":"june 25","8":"july 16","9":"july 23","10":"august 6","11":"august 20","12":"september 3","13":"september 16","14":"september 23","15":"october 1","16":"october 7"},"race name":{"0":"jimmy bryan 150","1":"datsun twin 200","2":"coors 200","3":"gabriel 200","4":"international 500 mile sweepstakes","5":"molson diamond indy","6":"rex mays classic","7":"schaefer 500","8":"norton twin 200","9":"gould twin dixie","10":"texas grand prix","11":"tony bettenhausen 200","12":"california 500","13":"gould grand prix","14":"machinist union 150","15":"daily empress indy silverstone","16":"daily mail indy trophy"},"length":{"0":"-","1":"-","2":"-","3":"-","4":"-","5":"-","6":"-","7":"-","8":"-","9":"-","10":"-","11":"-","12":"-","13":"-","14":"-","15":"-","16":"-"},"track":{"0":"phoenix international raceway","1":"ontario motor speedway","2":"texas world speedway","3":"trenton international speedway","4":"indianapolis motor speedway","5":"mosport park","6":"wisconsin state fair park speedway","7":"pocono international raceway","8":"michigan international speedway","9":"atlanta international raceway","10":"texas world speedway","11":"wisconsin state fair park speedway","12":"ontario motor speedway","13":"michigan international speedway","14":"trenton international speedway","15":"silverstone circuit","16":"brands hatch (indy circuit)"},"location":{"0":"avondale , arizona","1":"ontario , california","2":"college station , texas","3":"trenton , new jersey","4":"speedway , indiana","5":"bowmanville , canada","6":"west allis , wisconsin","7":"long pond , pennsylvania","8":"brooklyn , michigan","9":"hampton , georgia","10":"college station , texas","11":"west allis , wisconsin","12":"ontario , california","13":"brooklyn , michigan","14":"trenton , new jersey","15":"silverstone , united kingdom","16":"fawkham , united kingdom"},"type":{"0":"oval","1":"oval","2":"oval","3":"oval","4":"oval","5":"road course","6":"oval","7":"oval","8":"oval","9":"oval","10":"oval","11":"oval","12":"oval","13":"oval","14":"oval","15":"road course","16":"road course"},"pole position":{"0":"danny ongais","1":"tom sneva","2":"danny ongais","3":"tom sneva","4":"tom sneva","5":"danny ongais","6":"danny ongais","7":"danny ongais","8":"tom sneva","9":"tom sneva","10":"tom sneva","11":"danny ongais","12":"tom sneva","13":"johnny rutherford","14":"a j foyt","15":"danny ongais","16":"al unser"},"winning driver":{"0":"gordon johncock","1":"danny ongais","2":"danny ongais","3":"gordon johncock","4":"al unser","5":"danny ongais","6":"rick mears","7":"al unser","8":"johnny rutherford","9":"rick mears","10":"a j foyt","11":"danny ongais","12":"al unser","13":"danny ongais","14":"mario andretti","15":"a j foyt","16":"rick mears"}}