    ?wiki_id wdt:P31 wd:Q5;
             p:P39 ?posheld.
    VALUES ?role { wd:Q1850749 wd:Q85679583 wd:Q85679895 wd:Q110785766 wd:Q110785785 wd:Q110811796 wd:Q110811805 wd:Q110812751 wd:Q110812759 }
    ?posheld ps:P39 ?role. # Position held as speaker