900
Lewis Charlton  was an American slave who founded a school after his emancipation. Lewis Charlton was born in 1814 on a farm in Frederick County , Maryland. The farm was located between Frederick and Point of Rocks, Maryland. His mother and father were both slaves. His father was sold shortly after the child is birth to a man living in Georgia.
 place of birth: Lewis Charlton , Frederick County
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: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 place of birth: Lewis Charlton , Frederick County