Man pages matching name lingua::en::findnumber in section 3pm:

Lingua::EN::FindNumber.3pm.en	debian 10 / liblingua-en-findnumber-perl
Lingua::EN::FindNumber.3pm.en	debian 11 / liblingua-en-findnumber-perl
Lingua::EN::FindNumber.3pm.en	debian 12 / liblingua-en-findnumber-perl