CREATE TABLE table_73098 ("District" TEXT, "Location" TEXT, "Representative" TEXT, "Cook PVI" TEXT, "2012 election results" TEXT, "Median household income  ( 2011 ) " TEXT)

How many election results in 2012 had a Cook PVI of D+16?
SELECT COUNT("2012 election results") FROM table_73098 WHERE "Cook PVI" = 'D+16'
SELECT COUNT("2012 election results") FROM "table_73098" WHERE "Cook PVI" = 'D+16'