senate_polls: 2498
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2498 | 104652 | 60106 | 2020 | Iowa | 1102 | Emerson College | Emerson College | 88 | Emerson College | A- | 888 | rv | rv | IVR/Online | U.S. Senate | 0 | Class II | 10/13/19 | 10/16/19 | 11/3/20 | 0 | 0 | 0 | 10/17/19 12:02 | https://emersonpolling.reportablenews.com/pr/iowa-2020-dead-heat-with-biden-and-warren-mayor-pete-continues-to-build-and-sanders-slides | general | 6272 | Greenfield | 13466 | Theresa Greenfield | DEM | 40.0 |