district        incumbent       party  first elected        result                                         candidates
0  maryland 1    robert bauman  republican           1973  re - elected   robert bauman (r) 53.0% thomas j hatem (d) 47.0%
1  maryland 2    clarence long  democratic           1962  re - elected     clarence long (d) 77.1% john m seney (r) 22.9%
2  maryland 4    marjorie holt  republican           1972  re - elected  marjorie holt (r) 58.1% fred l wineland (d) 41.9%
3  maryland 6    goodloe byron  democratic           1970  re - elected  goodloe byron (d) 73.7% elton r wampler (r) 26.3%
4  maryland 7  parren mitchell  democratic           1970  re - elected                      parren mitchell (d) unopposed

Table as JSON:
{"district":{"0":"maryland 1","1":"maryland 2","2":"maryland 4","3":"maryland 6","4":"maryland 7"},"incumbent":{"0":"robert bauman","1":"clarence long","2":"marjorie holt","3":"goodloe byron","4":"parren mitchell"},"party":{"0":"republican","1":"democratic","2":"republican","3":"democratic","4":"democratic"},"first elected":{"0":1973,"1":1962,"2":1972,"3":1970,"4":1970},"result":{"0":"re - elected","1":"re - elected","2":"re - elected","3":"re - elected","4":"re - elected"},"candidates":{"0":"robert bauman (r) 53.0% thomas j hatem (d) 47.0%","1":"clarence long (d) 77.1% john m seney (r) 22.9%","2":"marjorie holt (r) 58.1% fred l wineland (d) 41.9%","3":"goodloe byron (d) 73.7% elton r wampler (r) 26.3%","4":"parren mitchell (d) unopposed"}}