user: Question: Who is the candidate in the 2012 election?
Columns: ['Election', 'Candidate', 'Number of votes', 'Share of votes', 'Outcome of election']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['2012', 'John Dramani Mahama', '5,574,761', '50.7%', 'Mahama NDC government']
SQL:

assistant: SELECT "Candidate" FROM "Table" WHERE "Election" = '2012';