3244
His son B.H. Carroll Jr. would later become Tarrant County school superintendent and the namesake of the  Carroll Independent School District  in  Southlake  Texas .
 city of headquarters: Carroll Independent School District, Southlake
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 city of headquarters: Carroll Independent School District, Southlake