only songs to spend two weeks at number one
... that in 2008, the only songs to spend two weeks at number one on the U.S. Hot Dance Club Songs chart were Madonna's "4 Minutes", featuring Justin Timberlake, and Donna Summer's "Stamp Your Feet"?
... that in 2008, the <b id="mwDhw"><a class="mw-redirect" href="./List_of_number-one_dance_singles_of_2008_(U.S.)" id="mwDh0" rel="mw:WikiLink" title="List of number-one dance singles of 2008 (U.S.)">only songs to spend two weeks at number one</a></b> on the U.S. <a class="mw-redirect" href="./Hot_Dance_Club_Songs" id="mwDh4" rel="mw:WikiLink" title="Hot Dance Club Songs">Hot Dance Club Songs</a> chart were <a class="mw-redirect" href="./Madonna_(entertainer)" id="mwDh8" rel="mw:WikiLink" title="Madonna (entertainer)">Madonna</a>'s "<a class="mw-redirect" href="./4_Minutes_(Madonna_song)" id="mwDiA" rel="mw:WikiLink" title="4 Minutes (Madonna song)">4<span id="mwDiE" typeof="mw:Entity"> </span>Minutes</a>", featuring <a href="./Justin_Timberlake" id="mwDiI" rel="mw:WikiLink" title="Justin Timberlake">Justin Timberlake</a>, and <a href="./Donna_Summer" id="mwDiM" rel="mw:WikiLink" title="Donna Summer">Donna Summer</a>'s "<a href="./Stamp_Your_Feet" id="mwDiQ" rel="mw:WikiLink" title="Stamp Your Feet">Stamp Your Feet</a>"?