president_primary_polls: 2832
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2832 | 116228 | 63374 | 2020 | Iowa | 1365 | Change Research | 1155 | Crooked Media | Change Research | 48 | Change Research | C- | 704 | lv | lv-d | Online | U.S. President | 1/22/20 | 1/26/20 | 0 | 0 | 0 | 1/28/20 15:59 | https://www.changeresearch.com/post/pollercoaster-2020-sanders-leads-by-8-points-in-iowa-caucuses | caucus | DEM | Sanders | 13257 | Bernard Sanders | 27.0 |