Man pages matching name chat in section 8:

chat.8.ja	debian 10 / manpages-ja
chat.8.pl	debian 10 / manpages-pl
chat.8.zh_CN	debian 10 / manpages-zh
chat.8.zh_TW	debian 10 / manpages-zh
chat.8.en	debian 10 / ppp
chat.8.ja	debian 11 / manpages-ja
chat.8.pl	debian 11 / manpages-pl
chat.8.zh_CN	debian 11 / manpages-zh
chat.8.zh_TW	debian 11 / manpages-zh
chat.8.en	debian 11 / ppp
chat.8.ja	debian 12 / manpages-ja
chat.8.pl	debian 12 / manpages-pl
chat.8.zh_CN	debian 12 / manpages-zh
chat.8.zh_TW	debian 12 / manpages-zh
chat.8.en	debian 12 / ppp