CREATE TABLE table_18592 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

How many races involve incumbent Pat Cannon?
SELECT COUNT("Result") FROM table_18592 WHERE "Incumbent" = 'Pat Cannon'
SELECT COUNT("Result") FROM "table_18592" WHERE "Incumbent" = 'Pat Cannon'