The Greek socialist party 's executive bureau gave the green light to Prime Minister Costas Simitis to call snap elections , its general secretary Costas Skandalidis told reporters .
<response> The <misc>Greek</misc> socialist party 's executive bureau gave the green light to Prime Minister <person>Costas Simitis</person> to call snap elections , its general secretary <person>Costas Skandalidis</person> told reporters . </response>