president_primary_polls: 10887
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10887 | 101820 | 59444 | 2020 | 1302 | Echelon Insights | Echelon Insights | 407 | Echelon Insights | 479 | rv | rv-d | Online | U.S. President | 8/19/19 | 8/21/19 | 0 | 0 | 0 | 8/27/19 12:39 | head-to-head poll | http://echeloninsights.com/wp-content/uploads/Omnibus-August-2019_Dem-Primary.pdf | primary | DEM | Biden | 13256 | Joseph R. Biden Jr. | 55.0 |