president_primary_polls: 289
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 289 | 119860 | 64785 | 2020 | Michigan | 1552 | ROI Rocket | ROI Rocket | 554 | ROI Rocket | B/C | 1000 | lv | lv-d | Online | U.S. President | 3/4/20 | 3/8/20 | 0 | 0 | 0 | 3/10/20 05:55 | https://www.prnewswire.com/news-releases/new-poll-biden-leads-in-michigan-on-eve-of-primary-despite-key-weaknesses-301020034.html | primary | DEM | Sanders | 13257 | Bernard Sanders | 45.0 |