president_polls: 1256
| 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 | seat_number | seat_name | start_date | end_date | election_date | sponsor_candidate | internal | partisan | tracking | nationwide_batch | ranked_choice_reallocated | created_at | notes | url | stage | race_id | answer | candidate_id | candidate_name | candidate_party | pct |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1256 | 135894 | 72420 | 2020 | Iowa | 437 | Selzer & Co. | 52,613 | Des Moines Register | Mediacom | Selzer & Co. | 304 | Selzer & Co. | A+ | 814 | lv | lv | Live Phone | U.S. President | 0 | 10/26/20 | 10/29/20 | 11/3/20 | 0 | 0 | 0 | 10/31/20 19:51 | https://www.desmoinesregister.com/story/news/politics/iowa-poll/2020/10/31/election-2020-iowa-poll-president-donald-trump-leads-joe-biden/6061937002/ | general | 6223 | Biden | 13256 | Joseph R. Biden Jr. | DEM | 41.0 |