Data: Aleksandr Chumakov, deathPlace, Moscow

Aleksandr Chumakov died in Moscow.

Data: American Journal of Mathematics, abbreviation, "Am. J. Math."; American Journal of Mathematics, issnNumber, "1080-6377"

The American Journal of Mathematics (abbreviated to Am. J. Math) has ISSN number 1080-6377.

Data: Bacon Explosion, country, United States; United States, leader, Joe Biden; United States, ethnicGroup, White Americans; United States, capital, Washington, D.C.
Bacon Explosion comes from the United States where Joe Biden was once a leader and Washington D.C. is the capital. White Americans are one ethnic group there.