president_primary_polls: 2
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 127126 | 67903 | 2020 | 552 | Winston Group | Winston Group | 385 | Winston Group | B/C | rv | rv-d | Live Phone | U.S. President | 4/27/20 | 4/28/20 | 0 | 0 | 0 | 8/4/20 17:22 | https://www.winningtheissues.org/wp-content/uploads/2020/08/Winning-the-Issues-April-II-2020-National-Survey.pdf | primary | DEM | Sanders | 13257 | Bernard Sanders | 17.0 |