CREATE TABLE table_18412 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

which section did seymour halpern run in
SELECT "District" FROM table_18412 WHERE "Incumbent" = 'Seymour Halpern'
SELECT "District" FROM "table_18412" WHERE "Incumbent" = 'Seymour Halpern'