CREATE TABLE table_18686 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

How many parties were represented for Charles R. Crisp?
SELECT COUNT("Party") FROM table_18686 WHERE "Incumbent" = 'Charles R. Crisp'
SELECT COUNT("Party") FROM "table_18686" WHERE "Incumbent" = 'Charles R. Crisp'