Input: Article: Until the death of Sigismund II Augustus, the last king of the Jagiellonian dynasty, monarchs could be elected from within only the royal family. However, starting from 1573, practically any Polish noble or foreigner of royal blood could become a PolishLithuanian monarch. Every newly elected king was supposed to sign two documentsthe Pacta conventa ("agreed pacts")a confirmation of the king's pre-election promises, and Henrican articles (artykuy henrykowskie, named after the first freely elected king, Henry of Valois). The latter document served as a virtual Polish constitution and contained the basic laws of the Commonwealth:

Now answer this question: After 1573 who could become a polish-lithuanian monarch?

Output: any Polish noble or foreigner of royal blood

Input: Article: The fourth a cappella musical to appear Off-Broadway, In Transit, premiered 5 October 2010 and was produced by Primary Stages with book, music, and lyrics by Kristen Anderson-Lopez, James-Allen Ford, Russ Kaplan, and Sara Wordsworth. Set primarily in the New York City subway system its score features an eclectic mix of musical genres (including jazz, hip hop, Latin, rock, and country). In Transit incorporates vocal beat boxing into its contemporary a cappella arrangements through the use of a subway beat boxer character. Beat boxer and actor Chesney Snow performed this role for the 2010 Primary Stages production. According to the show's website, it is scheduled to reopen for an open-ended commercial run in the Fall of 2011. In 2011 the production received four Lucille Lortel Award nominations including Outstanding Musical, Outer Critics Circle and Drama League nominations, as well as five Drama Desk nominations including Outstanding Musical and won for Outstanding Ensemble Performance.

Now answer this question: What is the name of the actor who played the subway beat boxer?

Output: Chesney Snow

Input: Article: The first Europeans to disembark and explore the region were the Portuguese navigators Diogo Cao in 1485 and Bartolomeu Dias in 1486; still the region was not claimed by the Portuguese crown. However, like most of Sub-Saharan Africa, Namibia was not extensively explored by Europeans until the 19th century, when traders and settlers arrived, principally from Germany and Sweden. In the late 19th century Dorsland trekkers crossed the area on their way from the Transvaal to Angola. Some of them settled in Namibia instead of continuing their journey.

Now answer this question: When did Diogo Cao explore Namibia?

Output:
1485