question: When did the US Court of Appeals rule in the case of ACLU v. Mercer County ?
answer: December 20 , 2005
turker_answer: The US Court of Appeals ruled in the case of ACLU v. Mercer County on December 20 , 2005 .
rule-based: The US Court of Appeals rule in the case of ACLU v. Mercer County in December 20 , 2005 .