Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Polling Firm | Date Published | T. Papadopoulos | D. Christofias | I. Kasoulidis | K. Themistokleous |
| --- | --- | --- | --- | --- | --- |
| Symmetron | 3 October 2007 | 32.9% | 27.5% | 27.6% | 0.4% |
| RAI Consultants | 18 November 2007 | 33.0% | 28.5% | 27.8% | 0.4% |
| Public Isuue PIK | 21 November 2007 | 31% | 30% | 29% | 1% |
| Noverna | 22 November 2007 | 30.1% | 28.4% | 27.1% | 1.2% |
| RAI Consultants | 25 December 2007 | 32.7% | 28.7% | 26.2% | 1.2% |
| Noverna | 17 January 2008 | 30.3% | 29.1% | 30.5% | 0.1% |
| Noverna | 23 January 2008 | 30.5% | 30.0% | 30.1% | 0.3% |
| Public Issue-RIK | 7 February 2008 | 34.0% | 33.5% | 30.5% | 0.1% |
Question:
Which polling firm put T. Papadopoulos at 31%?
Answer:
Public Isuue PIK