question: What was the price per square foot of 450 Park Avenue when it sold in July 2007 ?
answer: $ 1,589
turker_answer: The price per square foot of 450 Park Avenue when it sold in July 2007 was $ 1,589 .
rule-based: The price per square foot of 450 Park Avenue when it sold in July 2007 was $ 1,589 .