Douglas Henderson
...that Scottish National Party politician Douglas Henderson was instrumental in passing the censure motion that led to the downfall of James Callaghan's Labour government in 1979, but narrowly lost his own seat in the ensuing general election?
...that <a href="./Scottish_National_Party" id="mwAts" rel="mw:WikiLink" title="Scottish National Party">Scottish National Party</a> politician <b id="mwAtw"><a class="mw-disambig" href="./Douglas_Henderson" id="mwAt0" rel="mw:WikiLink" title="Douglas Henderson">Douglas Henderson</a></b> was instrumental in passing the censure motion that led to the downfall of <a href="./James_Callaghan" id="mwAt4" rel="mw:WikiLink" title="James Callaghan">James Callaghan</a>'s <a href="./Labour_Party_(UK)" id="mwAt8" rel="mw:WikiLink" title="Labour Party (UK)">Labour</a> government in 1979, but narrowly lost his own seat in the ensuing <a class="mw-redirect" href="./United_Kingdom_general_election,_1979" id="mwAuA" rel="mw:WikiLink" title="United Kingdom general election, 1979">general election</a>?