CREATE TABLE table_72454 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "Elected" FLOAT, "Status" TEXT, "2007 Result" TEXT)

How many election results are there from the 19th district?
SELECT COUNT("2007 Result") FROM table_72454 WHERE "District" = '19th'
SELECT COUNT("2007 Result") FROM "table_72454" WHERE "District" = '19th'