president_primary_polls: 312
| rowid | question_id | poll_id | cycle | state | pollster_id | pollster | sponsor_ids | sponsors | display_name | pollster_rating_id | pollster_rating_name | fte_grade | sample_size | population | population_full | methodology | office_type | start_date | end_date | sponsor_candidate | internal | partisan | tracking | nationwide_batch | created_at | notes | url | stage | party | answer | candidate_id | candidate_name | pct |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 312 | 119751 | 64750 | 2020 | Michigan | 143 | EPIC-MRA | 177,683,684,685 | Detroit Free Press | WLNS TV 6 | WOOD TV 8 | WJRT (ABC) TV 12 | EPIC-MRA | 84 | EPIC-MRA | B+ | 400 | lv | lv-d | Live Phone | U.S. President | 3/4/20 | 3/6/20 | 0 | 0 | 0 | 3/9/20 07:11 | https://ssl2002.webhosting.comcast.net/epic-mra/press/Stwd_DemPresPri_Mar10_2020_Media_Freq.pdf | primary | DEM | Biden | 13256 | Joseph R. Biden Jr. | 51.0 |