How many Attack on Titan manga chapters have been adapted by ep 87?

How many Attack on Titan manga chapters are left to be adapted in season 4 and will they all be covered in the now-delayed episode 87?

Shingeki No Kyojin, chapter 87 - Attack On Titan Manga Online

Complete Attack On Titan Watch Order: How To Watch Attack On Titan In Order

Borderline, Attack on Titan Wiki

which manga chapter do i start reading from after finishing episode 87? : r/ShingekiNoKyojin

My Hero Academia Season 4 - Episode 87 - My Hero Academia

Shingeki no Kyojin: the length of Episode 87, the anime's finale, is confirmed - Meristation

HOW THE RUMBLING CHANGED - AOT Manga Comparison + Animation Breakdown Ep 80

Simulation of the area covered in the last chapters / episodes : r/ShingekiNoKyojin

Leaks about the titles and chapters getting adapted for the upcoming episodes. - Forums