question: According to The American Library Association , what rank did the book have among the most frequently challenged books from 2000 to 2009 ?
answer: 21
turker_answer: According to The American Library Association , the book ranked 21 among the most frequently challenged books from 2000 to 2009 .
rule-based: According to The American Library Association , the book had 21 among the most frequently challenged books from 2000 to 2009 .