question: What is the largest African collection in the world that is part of the Northwesern library system ?
answer: Melville J. Herskovits Library of African Studies
turker_answer: The largest African collection in the world that is part of the Northwestern library system is the Melville J. Herskovits Library of African Studies .
rule-based: The largest African collection in the world that is part of the Northwesern library system is Melville J. Herskovits Library of African Studies .