Question: John Alexander is the uncle of the player who plays what position for Liverpool?
Sentence (from "Ivan Alexander of Bulgaria"): Ivan Alexander (Bulgarian: Иван Александър , transliterated "Ivan Aleksandǎr"; pronounced ] ; original spelling: ), also sometimes Anglicized as John Alexander, ruled as Emperor ("Tsar") of Bulgaria from 1331 to 1371, during the Second Bulgarian Empire.
Relevant evidence: No