user: Question: Who is the main presenter of the series Twelve (2012)?
Columns: ['Series', 'Main presenter', 'Co-presenter', 'Comedian', 'UK co-presenter']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['One (2002)', 'Louise Loughman', 'N/A', 'N/A', 'N/A']
SQL:

assistant: SELECT "Main presenter" FROM "Table" WHERE "Series" = 'Twelve (2012)';