Designated Player Rule

Columns: Year signed as DP | Player | Current club | 2019 guaranteed compensation
2017 | Josef Martínez | Atlanta United | $ 3,058,333 | 2017 | Sebastián Blanco | Portland Timbers | $ 1,375,008 | 2017 | Maximiliano Moralez | New York City FC | $ 2,000,000 | 2017 | Valeri Qazaishvili | San Jose Earthquakes | $ 1,604,042 | 2017 | Tomás Martínez | Houston Dynamo | $ 386,804 | 2017 | Jonathan dos Santos | LA Galaxy | $ 2,000,000 | 2017 | Pedro Santos | Columbus Crew SC | $ 864,560

Example questions:
What is the nationality of the Designated Player athlete that signed with L.A. Galaxy ? | Which of the Designated Player Rule players that signed in 2016 was older ? | The Designated Player competitor that signed for the most money made his debut when he was how many years old ? | Whose record was broken on March 3 , 2013 by the Designated Player competitor that was signed in 2015 ?

Answers:
Mexican | Alejandro Bedoya | 16 | Clint Dempsey