president_approval_polls: 647
| rowid | question_id | poll_id | state | politician_id | politician | pollster_id | pollster | sponsor_ids | sponsors | display_name | pollster_rating_id | pollster_rating_name | fte_grade | sample_size | population | population_full | methodology | start_date | end_date | sponsor_candidate | tracking | created_at | notes | url | source | yes | no |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 647 | 127941 | 68311 | 11 | Donald Trump | 437 | Selzer & Co. | 991 | Grinnell College | Selzer & Co. | 304 | Selzer & Co. | A+ | 1012 | a | a | Live Phone | 8/26/20 | 8/30/20 | 9/2/20 04:58 | https://www.grinnell.edu/sites/default/files/docs/2020-09/Selzer%20Co%20GCNP%202219%20Methodology.pdf | 538 | 42.0 | 50.0 |