 Complete the following phrase:  After being unable to secure a full-time drive for the 2015 Formula One season, he switched to the FIA Formula E Championship and signed for Andretti Autosport. Vergne made his debut in the third race of the season in Uruguay and secured pole position. Vergne was overtaken at the start by Nelson Piquet, Jr., and he retook the lead on lap 12. After the pit stops Vergne conceded the lead to Sébastien Buemi, but he attacked Buemi until retiring due to a broken suspension two laps before the end of the race. He achieved his first podium in Long Beach, finishing second behind race winner Piquet. He finished third in the first race at the 