eq { count { filter_eq { filter_eq { all_rows ; nationality ; canada } ; college / junior / club team ( league ) ; london knights ( ohl ) } } ; 2 } = true
select the rows whose nationality record fuzzily matches to canada . among these rows , select the rows whose college  junior  club team  league  record fuzzily matches to london knights  ohl  . the number of such rows is 2 .