Question: Who was the public speaker who spoke about Stalinsim and was the Soviet Leader during World War II?
Answer(s):
answer: Nikita Khrushchev

SPARQL query:
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SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.05vz3zq)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.05vz3zq ns:government.governmental_jurisdiction.governing_officials ?y .
?y ns:government.government_position_held.office_holder ?x .
?x ns:military.military_person.participated_in_conflicts ns:m.081pw .
?x ns:event.public_speaker.speeches_or_presentations ?c .
?c ns:event.speech_or_presentation.speech_topic ns:m.072qg . 
}