senate_polls: 341
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 341 | 135879 | 72416 | 2020 | Michigan | 1361 | SSRS | 143 | CNN | CNN/SSRS | 297 | SSRS | C | 953 | rv | rv | Live Phone | U.S. Senate | 2 | Class II | 10/23/20 | 10/30/20 | 11/3/20 | 0 | 0 | 0 | 10/31/20 17:32 | http://cdn.cnn.com/cnn/2020/images/10/31/rel2_mi.pdf | general | 6280 | Squier | 15622 | Marcia Squier | GRE | 3.0 |