VOICED: Marea opositora inunda Caracas

In Caracas, a massive rally supported opposition candidate Enrique Capriles, who leads a diverse coalition against President Hugo Chávez. Capriles' supporters hope for change after 14 years of Chávez's rule. Capriles criticizes the socialist revolution's failures in employment and security. Although Chávez remains the favorite in polls for the October 7 election, Capriles has gained ground, making him the most formidable opponent Chávez has faced since taking power.

What is the date of the election mentioned in the text?

How did the opposition candidate's popularity change according to the latest data?