senate_polls: 4521
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4521 | 85946 | 53560 | 2018 | Missouri | 801 | Gravis Marketing | Gravis Marketing | 124 | Gravis Marketing | B | 931 | rv | rv | U.S. Senate | 0 | Class I | 3/5/18 | 3/7/18 | 11/6/18 | 0 | 0 | 0 | 8/9/18 03:01 | https://www.realclearpolitics.com/docs/Gravis_MO_Senate_March_12th_2018.pdf | general | 109 | McCaskill | 11410 | Claire McCaskill | DEM | 42.0 |