question: How many shipping containers did the Port of Melbourne handle during a 12-month period in 2007 , making it one of the top five ports in the Southern Hemisphere ?
answer: two million
turker_answer: The Port of Melbourne handled two million shipping containers during a 12-month period in 2007 , making it one of the top five ports in the Southern Hemisphere .
rule-based: The Port of Melbourne handled two million during a 12-month period in 2007 , making it one of the top five ports in the Southern Hemisphere .