senate_polls: 209
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 209 | 136538 | 72756 | 2020 | Iowa | 1365 | Change Research | Change Research | 48 | Change Research | B- | 1084 | lv | lv | Online/Text | U.S. Senate | 0 | Class II | 10/29/20 | 11/1/20 | 11/3/20 | 0 | 0 | 0 | 11/2/20 21:32 | https://docs.google.com/spreadsheets/d/1TyQc9rcFjRf_nFJ-gcOyoOn4E1sPk5yeVfH4acKyVnw/edit#gid=2035724528 | general | 6272 | Stewart | 15614 | Rick Stewart | LIB | 2.0 |