Question: Will Dockery built a plantation that was how many acres?
Related documents: [0]  [DOC] Dockery Plantation was a 25600 acre cotton plantation and sawmill in Dockery, Mississippi, on the Sunflower River between Ruleville and Cleveland, Mississippi. It is widely regarded as the place where Delta blues music was born. Blues musicians resident at Dockery included Charlie Patton, Robert Johnson and Howlin' Wolf. The property was added to the National Register of Historic Places in 2006. [END] 
[1]  [DOC] Will Dockery (1865–1936) built from scratch the Dockery Plantation, the famous home of such original Delta blues musicians as Charley Patton, Robert Johnson, Son House, Howlin' Wolf, Willie Brown, Tommy Johnson, and Pops Staples. [END] 
Answer: 
25600
25600