What is the  academic major  for  Alexey Navalny  as  UCA (Sin embargo no terminó el primer semestre) ?
SELECT ?value WHERE { wd:Q155979 p:P69 ?s . ?s ps:P69 wd:Q839669 . ?s pq:P812 ?value}
alexei navalny: Q155979 peoples' friendship university of russia: Q839669