CREATE TABLE table_18586 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

How many parties does incumbent stephen pace represent?
SELECT COUNT("Party") FROM table_18586 WHERE "Incumbent" = 'Stephen Pace'
SELECT COUNT("Party") FROM "table_18586" WHERE "Incumbent" = 'Stephen Pace'