user: Question: What was the percentage for T. Papadopoulos when D. Christofias was 28.4%?
Columns: ['Polling Firm', 'Date Published', 'T. Papadopoulos', 'D. Christofias', 'I. Kasoulidis', 'K. Themistokleous']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Symmetron', '3 October 2007', '32.9%', '27.5%', '27.6%', '0.4%']
SQL:

assistant: SELECT "T. Papadopoulos" FROM "Table" WHERE "D. Christofias" = '28.4%';