Cátulo Castillo
... that tango music composer Cátulo Castillo was once featherweight champion of Argentina, and went to the 1924 Summer Olympics?
... that <a href="./Tango_music" id="mwBvo" rel="mw:WikiLink" title="Tango music">tango music</a> composer <b id="mwBvs"><a href="./Cátulo_Castillo" id="mwBvw" rel="mw:WikiLink" title="Cátulo Castillo">Cátulo Castillo</a></b> was once <a href="./Featherweight" id="mwBv0" rel="mw:WikiLink" title="Featherweight">featherweight</a> champion of Argentina, and went to the <a href="./1924_Summer_Olympics" id="mwBv4" rel="mw:WikiLink" title="1924 Summer Olympics">1924 Summer Olympics</a>?