Please answer the following question: What key details about jack boot  can be extracted from the following bio?  Bio: jack boot is a professional rugby league footballer of the 1950s , playing at club level for castleford .
A:
- source is -lsb- http://www.rugbyleagueproject.org/players/all.html rugbyleagueproject.org -rsb-- appearances is 53- yearend is 58- updated is 15 january 2014- tries is 0- yearstart is 1954- new is yes- retired is yes- points is 0- name is jack boot- fieldgoals is 0- club is castleford- goals is 0