Data: A.E Dimitra Efxeinoupolis, location, Greece; Greece, leader, Alexis Tsipras; Greece, capital, Athens; Greece, leader, Prokopis Pavlopoulos

The A.E Dimitra Efxeinoupolis club is located in Greece, where Athens is the capital. It is also where two of the leaders are, Alexis Tsipras and Prokopis Pavlopoulos.

Data: United States, leader, Joe Biden

Joe Biden is a political leader in the U.S.

Data: Addiction (journal), publisher, Wiley-Blackwell; Wiley-Blackwell, parentCompany, John Wiley & Sons; Addiction (journal), LCCN number, 93645978
John Wiley & Sons is the parent company of Wiley-Blackwell which in turn is the publisher of the journal addiction which has the LCCN number 93645978.