Conversation so far:
Where does the last name hilton come from
Hilton or Hylton of Anglo-Saxon origin, a locational name from various places so called in Cambridgeshire, Cleveland, Derbyshire and Shropshire derived from hyll, a hill and tun, a settlement.
when was the Hilton Hotel founded
Conrad Hilton founded the hotel chain in 1919, when he bought his first property
Where was the first Hilton Hotel founded by Conrad Hilton
Conrad Hilton's first property, the Mobley Hotel was in Cisco, Texas

Question: How many hotels are there
Self-contained rewrite: How many Hilton Hotels are there