Table:
text: Spanish general election, 1989
Opinion polls
176 seats needed for a majority
Polling_Firm Date_ Link PSOE Others_ Lead_
CIS October 5 HTML 43.0% 178–180 – 22.0%
Metra Seis September 19–22 HTML – 172–179 – 26–28 –
European Election (seat extrapolation) June 15, 1989 HTML 39.6% 186 21.5% 28 18.2%
Opina June 4 HTML 36.1% 17.3% 13.7%
Opina January 17–18 HTML 37.9% 13.0% 14.8%
1989 1989 1989 1989 1989 1989
Opina November 29–30 HTML 34.3% 13.7% 7.2%
1988 1988 1988 1988 1988 1988
European Election (seat extrapolation) June 10, 1987 HTML 39.1% 169 16.2% 25 14.4%
Local Elections June 10, 1987 HTML 37.1% 20.3% 16.7%
1987 1987 1987 1987 1987 1987
Gallup October 19–December 23 HTML 42.0% – 18.9%
Election Results June 22, 1986 HTML 44.1% 184 11.1% 17 18.1%

Question: What is the PSOE for the polling institute for municipal elections in the Spanish general elections 1989?

Question: What is the date of a PSOE with 36.1% in the 1989 Spanish general election?