No fix with corrections over RFD900

sorry, “change to the process ID numbers from last command” is that mean I should choose such as like before, choose first coloum first line?
454 root 33020 S {server.py} /usr/bin/python /home/reach/ReachView/se
515 root 22412 S {server.py} /usr/bin/python /home/reach/ReachView/se
733 reach 2660 S grep server.py
sudo kill 454?