Table:
text: European Parliament election, 2009 (Slovenia)
Opinion polls
Opinion polls
Source_ Date_ DeSUS Zares NLPD
Mediana May 11–13 11.7% (1) 8.6% 2.2%
Delo May 12–14 5.5% 11% (1) N/A
Delo May 21–22 9% (1) 11% (1) N/A
Zurnal May 28 6% 12% (1) N/A
Delo May 27–28 7% 13% (1) N/A
Mediana May 25–27 11.1% (1) 8% 1.2%

Question: What is the percentage for Zares on 21st and 22nd May in the European Parliament elections 2009 (Slovenia)?

Question: What is the source for 7% DeSUS, European Parliament Elections, 2009 (Slovenia)?

Question: What is the source of Zares at 8.6% in the European Parliament elections, 2009 (Slovenia)?

Question: Which source corresponds to a date of 25-27 May in the 2009 European Parliament elections (Slovenia)?