CREATE TABLE table_18145 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Results" TEXT, "Candidates" TEXT)

What party was the winner in the district Maryland 6?
SELECT "Party" FROM table_18145 WHERE "District" = 'Maryland 6'
SELECT "Party" FROM "table_18145" WHERE "District" = 'Maryland 6'