On April 17, 13 ships arrived at Tokunoshima and dispersed. Two ships arrived at Kanaguma, but nothing happened. Eight ships arrived at Wanya. The ships were besieged all night by 1,000 people. On April 18, Satsuma troops disembarked, fired into the crowds, and killed 50 people. Three ships arrived at Akitoku, and were attacked at the water's edge by the Akitoku people. However, troops quickly fought back and killed 20-30 people. The Satsuma fleet also arrived at Akitoku at 4pm, April 20. On April 21, Kabayama left for Okierabu Island with 10 ships in advance. Others left Tokunoshima at 10am, April 24, and arrived at Okierabu at sunset. They met Kabayama and his ships there, and quickly departed for Ryukyu Island.

How many more ships arrived at Wanya compared to Kanaguma?
A: 6

The Charleston-North Charleston-Summerville Metropolitan Statistical Area consists of three counties: Charleston, Berkeley, and Dorchester. As of the 2013 U.S. Census, the metropolitan statistical area had a total population of 712,239 people. North Charleston is the second-largest city in the Charleston-North Charleston-Summerville Metropolitan Statistical Area and ranks as the third-largest city in the state; Mount Pleasant and Summerville are the next-largest cities. These cities combined with other incorporated and unincorporated areas along with the city of Charleston form the Charleston-North Charleston Urban Area with a population of 548,404 as of  2010. The metropolitan statistical area also includes a separate and much smaller urban area within Berkeley County, Moncks Corner . The traditional parish system persisted until the Reconstruction Era, when counties were imposed. Nevertheless, traditional parishes still exist in various capacities, mainly as public service districts. When the city of Charleston was formed, it was defined by the limits of the Parish of St. Philip and St. Michael, now also includes parts of St. James' Parish, St. George's Parish, St. Andrew's Parish, and St. John's Parish, although the last two are mostly still incorporated rural parishes.

How many more people were in the area in 2013 than in 2010?
A: 163835

As of the 2010 United States Census of 2010, there were 173,514 people, and 62,400 households. The population density was . There were 74,537 housing units. The racial makeup of the city was 79.4% African American (U.S. Census) or Race (United States Census), 18.4% White (U.S. Census) or Euro American, 0.1% Native American (U.S. Census), 0.4% Asian (U.S. Census), and 0.9% from two or more races. 1.6% of the population were Hispanics in the United States or Latino (U.S. Census) of any race. Non-Hispanic Whites were 18% of the population in 2010, down from 60% in 1970.

How many more people and households were there than housing units?
A:
161377