fifth series
... that rock band 21 Demands made chart history after finishing as runners-up in the fifth series of You're a Star, featuring 1992 Eurovision winner Linda Martin as a judge?
... that rock band <a class="mw-redirect" href="./21_Demands" id="mwCdw" rel="mw:WikiLink" title="21 Demands">21 Demands</a> made chart history after finishing as runners-up in the <b id="mwCd0"><a href="./You're_a_Star_(series_5)" id="mwCd4" rel="mw:WikiLink" title="You're a Star (series 5)">fifth series</a></b> of <i id="mwCd8"><a href="./You're_a_Star" id="mwCeA" rel="mw:WikiLink" title="You're a Star">You're a Star</a></i>, featuring <a href="./Eurovision_Song_Contest_1992" id="mwCeE" rel="mw:WikiLink" title="Eurovision Song Contest 1992">1992</a> <a href="./Eurovision_Song_Contest" id="mwCeI" rel="mw:WikiLink" title="Eurovision Song Contest">Eurovision</a> winner <a href="./Linda_Martin" id="mwCeM" rel="mw:WikiLink" title="Linda Martin">Linda Martin</a> as a judge?