rnd                 date                     race name length                         track                  location        type   pole position winning driver
0    1        may 24 , 1981  indianapolis 500 - mile race      -   indianapolis motor speedway        speedway , indiana  paved oval     bobby unser    bobby unser
1    2       june 21 , 1981    van scoy diamond mines 500      -  pocono international raceway  long pond , pennsylvania  paved oval        a j foyt       a j foyt
2    3     august 15 , 1981         tony bettenhausen 100      -    illinois state fairgrounds    springfield , illinois   dirt oval     tom bigelow  george snider
3    4     august 30 , 1981                   duquoin 100      -     duquoin state fairgrounds       du quoin , illinois   dirt oval  bill engelhart    rich vogler
4    5  september 12 , 1981               hoosier hundred      -    grounds indiana state fair    indianapolis , indiana   dirt oval      larry rice     larry rice

Table as JSON:
{"rnd":{"0":1,"1":2,"2":3,"3":4,"4":5},"date":{"0":"may 24 , 1981","1":"june 21 , 1981","2":"august 15 , 1981","3":"august 30 , 1981","4":"september 12 , 1981"},"race name":{"0":"indianapolis 500 - mile race","1":"van scoy diamond mines 500","2":"tony bettenhausen 100","3":"duquoin 100","4":"hoosier hundred"},"length":{"0":"-","1":"-","2":"-","3":"-","4":"-"},"track":{"0":"indianapolis motor speedway","1":"pocono international raceway","2":"illinois state fairgrounds","3":"duquoin state fairgrounds","4":"grounds indiana state fair"},"location":{"0":"speedway , indiana","1":"long pond , pennsylvania","2":"springfield , illinois","3":"du quoin , illinois","4":"indianapolis , indiana"},"type":{"0":"paved oval","1":"paved oval","2":"dirt oval","3":"dirt oval","4":"dirt oval"},"pole position":{"0":"bobby unser","1":"a j foyt","2":"tom bigelow","3":"bill engelhart","4":"larry rice"},"winning driver":{"0":"bobby unser","1":"a j foyt","2":"george snider","3":"rich vogler","4":"larry rice"}}