CREATE TABLE table_66990 ("Riding" TEXT, "Candidate's Name" TEXT, "Gender" TEXT, "Residence" TEXT, "Occupation" TEXT, "Votes" FLOAT, "Rank" TEXT)

where is harold j. ludwig riding when the votes are more than 484?
SELECT "Riding" FROM table_66990 WHERE "Votes" > '484' AND "Candidate's Name" = 'harold j. ludwig'
SELECT "Riding" FROM "table_66990" WHERE "Candidate's Name" = 'harold j. ludwig' AND "Votes" > '484'