question: What was the population density in Hyderabad in 2011 ?
answer: 18,480 / km2 ( 47,900 / sq mi )
turker_answer: The population density in Hyderabad in 2011 was 18,480 / km2 ( 47,900 / sq mi ) .
rule-based: The population density in Hyderabad in 2011 was 18,480 / km2 ( 47,900 / sq mi .