Table:
text: Main Railway
Buildings
Buildings
Location_ Building Year_ km Monument_
Bischofsheim Station building 1958 08.25 *
Rüsselsheim Linesmen house 1863 12.80 *
Raunheim Station building 1863 15.87 *
Raunheim Linesmen house 1863 17.39 *
Kelsterbach Rail bridge 1863 21.75 
Kelsterbach Linesmen house 1863 23.60 *
Kelsterbach Station building 1863 23.81 *
Stadion Station building 1879 31.37 *
Niederrad Station building 1882 33.19 *
Sachsenhausen Rail bridge 1864 34.47

Question: Which place has the most kilometers under Main Railway?

Question: Which place has the fewest kilometers under Main Railway?

Question: Which place has more total kilometers, Kelsterbach or the stadium under the main railway?

Question: How many buildings from 1863 are in the Mainbahn?

Question: At what other two locations besides the Main Railway is there a railway bridge?