question: On what date did the Supreme Court of India enact restrictions on Delhi 's transportation system to reduce pollution ?
answer: December 16 , 2015
turker_answer: On December 16 , 2015 , the Supreme Court of India enacted restrictions on Delhi 's transportation system to reduce pollution .
rule-based: The Supreme Court of India enacted restrictions on Delhi 's transportation system to reduce pollution on December 16 , 2015 .