general_fact: 47410 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47410 is an unremarkable number.
trivia: 47410 is a boring number.
historical_date: October 20th is the day in 1991 that the Oakland Hills firestorm kills 25 and destroys 3,469 homes and apartments, causing more than $2 billion in damage.