Table: us_house_1826_elections
Columns: district
incumbent
party
first_elected
result
candidates

Question: Who was the incumbent when the candidate was william drayton (j)?
SQL: SELECT "incumbent" FROM us_house_1826_elections WHERE "candidates" = 'William Drayton (J)'

Question: What party did candidate george mcduffie (j) represent?
SQL: SELECT "party" FROM us_house_1826_elections WHERE "candidates" = 'George McDuffie (J)'