11 museums and art installations
... that one of the 11 museums and art installations maintained by the Dia Art Foundation is a room in New York City filled with 250 cubic yards (190 m3) of soil?
... that one of the <b id="mwBRE"><a href="./List_of_Dia_Art_Foundation_locations_and_sites" id="mwBRI" rel="mw:WikiLink" title="List of Dia Art Foundation locations and sites">11 museums and art installations</a></b> maintained by the <a href="./Dia_Art_Foundation" id="mwBRM" rel="mw:WikiLink" title="Dia Art Foundation">Dia Art Foundation</a> is a room in New York City filled with <span about="#mwt74" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"250"},"2":{"wt":"cuyd"},"3":{"wt":"m3"}},"i":0}}]}' id="mwBRQ" typeof="mw:Transclusion">250 cubic yards (190</span><span about="#mwt74" typeof="mw:Entity"> </span><span about="#mwt74">m</span><sup about="#mwt74">3</sup><span about="#mwt74">)</span> of soil?