2016 Basque regional election
The results of the Basque and Galician elections , both of which saw very poor PSOE's performances after being overtaken by the Podemos-led alliances and polling at record-low levels of support , prompted dissenters within the party—led by Andalusian president Susana Díaz—to call for Pedro Sánchez's resignation as PSOE secretary-general . 
<triplet> Susana Díaz <subj> Andalusian president <obj> position held