Table:
text: Minnesota gubernatorial election, 2010
Polling
Polling
Poll_source Dates_administered Tom_Emmer_R Matt_Entenza_DFL Tom_Horner_I Undecided Sampling_error
Survey USA August 2-4, 2010 33% 38% 12% 17% 2.7%
Minnesota Poll July 26-29, 2010 31% 36% 15% 17% 4.3%
Rasmussen Reports July 19, 2010 36% 37% 12% 15% 4.5%
Survey USA June 14-16, 2010 37% 33% 12% 18% 2.5%
Decision Resources, Ltd. May 28 - June 2, 2010 27% 34% 19% 20% 3.5%
Rasmussen Reports May 24, 2010 37% 34% 12% 17% 4.5%
Humphrey Institute / MPR May 13-16, 2010 32% 28% 11% 29% 5.8%
Survey USA May 3-5, 2010 42% 31% 10% 16% 4.1%

Question: According to the poll source, what percentage of the 2010 Minnesota gubernatorial election voted for Tom Horner with a sampling error of 2.5%?

Question: According to the poll source, what is the percentage of undecided with a 2.7% sampling error in the 2010 Minnesota gubernatorial election?

Question: How many polls show different percentages for Tom Emmer and 38% for Matt Entenza in the 2010 Minnesota gubernatorial election?

Question: Which polling source conducted their poll for the June 14-16, 2010 Minnesota gubernatorial election?

Question: What is the percentage of the vote for Tom Horner according to the poll source that claimed 31% for Matt Entenza in the 2010 Minnesota gubernatorial election?