general_fact: 17911 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 17911 is an unremarkable number.
trivia: 17911 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: January 13th is the day in 1972 that Prime Minister Kofi Abrefa Busia and President Edward Akufo-Addo of Ghana are ousted in a bloodless military coup by Colonel Ignatius Kutu Acheampong.