CREATE TABLE table_21773 ("District" FLOAT, "Incumbent" TEXT, "2008 Status" TEXT, "Democratic" TEXT, "Republican" TEXT, "Independent Green" TEXT, "Libertarian" TEXT, "Other Party" TEXT)

How many districts had republican Bob Goodlatte as a candidate?
SELECT COUNT("District") FROM table_21773 WHERE "Republican" = 'Bob Goodlatte'
SELECT COUNT("District") FROM "table_21773" WHERE "Republican" = 'Bob Goodlatte'