What key details about william mclaren -lrb- sport shooter -rrb-  can be extracted from the following bio?  Bio: william mclaren -lrb- born 8 march 1881 , date of death unknown -rrb- was a canadian sports shooter . he competed in the team clay pigeon event at the 1920 summer olympics .
- sport is sports shooting- birth date is 8 march 1881- name is william mclaren- birth place is grey , ontario , canada