Leila Ben Youssef was born in this city less than 10mi away from what border?
Leila Ben Youssef: Leila Maryam Ben Youssef (Arabic: ليلى مريم بن يوسف‎ ‎ ; born November 13, 1981 in Sidney, Montana, United States) is an American-born Tunisian pole vaulter.
i don't know