Conversation so far:
When did Grigory Potemkin die?
On October 16, 1791 Potemkin died in the open steppe, 60 km from the city Jassy.
Why did Grigory Potemkin die?
Potemkin fell ill in the fever-ridden city of Jassy. October 13, he felt better before collapsing once more.
Where did Grigory Potemkin die?
Potemkin died in the open steppe, 60 km from the Romanian city Jassy.
Did Grigory Potemkin die at home or in a hospital?
Potemkin died in the open steppe, 60 km from the Romanian city Jassy.

Question: Do many believe foul play?
Self-contained rewrite: Do many believe foul play on Grigory Potemkin's death?