Conversation so far:
in what month was the election?
the 2014 Lok Sabha election.
what position did he run for in the election?
prime minister.
what political party was he in?
the BJP's candidate.
did he win the election?
Modi's tweet announcing his victory was described as being emblematic of the political realignment.
how many votes did he get?
by 570,128 votes.

Question: who was his opponent?
Self-contained rewrite: Who was Narendra Modi's opponent in the 2014 Indian general election?