CREATE TABLE table_28873 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" CLOB, "Result" CLOB, "Candidates" CLOB)

Who were the running candidates when Joshua Sands was the incumbent?
SELECT "Candidates" FROM table_28873 WHERE "Incumbent" = 'Joshua Sands'
SELECT "Candidates" FROM "table_28873" WHERE "Incumbent" = 'Joshua Sands'