The problem: Answer a question about this article:
Hack Wilson set a record of 56 home-runs and 190 runs-batted-in in 1930, breaking Lou Gehrig's MLB record of 176 RBI. (In 1999, a long-lost extra RBI mistakenly credited to Charlie Grimm had been found by Cooperstown researcher Cliff Kachline and verified by historian Jerome Holtzman, increasing the record number to 191.) As of 2014 the record still stands, with no serious threats coming since Gehrig (184) and Hank Greenberg (183) in the same era. The closest anyone has come to the mark in the last 75 years was Manny Ramirez's 165 RBI in 1999. In addition to the RBI record, Wilson 56 home-runs stood as the National League record until 1998, when Sammy Sosa and Mark McGwire hit 66 and 70, respectively. Wilson was named "Most Useful" player that year by the Baseball Writers' Association of America, as the official N.L. Most Valuable Player Award was not awarded until the next season.
Who Broke Lou Gehrig's MLB record of 176 RBI?
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The answer: Hack Wilson

The problem: Answer a question about this article:
The Brazilian federal constitution does not have a supremacy clause with the same effects as the one on the U.S. constitution, a fact that is of interest to the discussion on the relation between treaties and state legislation.
The Brazilian constitution does not have a supremacy clause that would be of interest to the relation between state legislation and what other legal agreements?
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The answer: treaties

The problem: Answer a question about this article:
After the American Revolutionary War, the number and proportion of free people of color increased markedly in the North and the South as slaves were freed. Most northern states abolished slavery, sometimes, like New York, in programs of gradual emancipation that took more than two decades to be completed. The last slaves in New York were not freed until 1827. In connection with the Second Great Awakening, Quaker and Methodist preachers in the South urged slaveholders to free their slaves. Revolutionary ideals led many men to free their slaves, some by deed and others by will, so that from 1782 to 1810, the percentage of free people of color rose from less than one percent to nearly 10 percent of blacks in the South.
How much did the percentage of free people in the South change from 1782 to 1810?
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The answer: the percentage of free people of color rose from less than one percent to nearly 10 percent of blacks in the South.

The problem: Answer a question about this article:
Pressing the sheet removes the water by force; once the water is forced from the sheet, a special kind of felt, which is not to be confused with the traditional one, is used to collect the water; whereas when making paper by hand, a blotter sheet is used instead.
How is the water removed by force from a sheet of paper?
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The answer:
Pressing