Question: When 23% scott mcadams (d) what are the dates administered?
SQL: SELECT "Dates administered" FROM "1-20597634-3" WHERE "Scott McAdams (D)" = '23%';

Question: When 30% is scott mcadams (d) percentage how many poll sources are there?
SQL: SELECT COUNT("Poll source") FROM "1-20597634-3" WHERE "Scott McAdams (D)" = '30%';