CREATE TABLE table_18357 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

List all results where the voting district is Maryland 7.
SELECT "Result" FROM table_18357 WHERE "District" = 'Maryland 7'
SELECT "Result" FROM "table_18357" WHERE "District" = 'Maryland 7'