CREATE TABLE table_22989 ("Name" TEXT, "Completions" FLOAT, "Attempts" FLOAT, "Completion %" TEXT, "Yards" FLOAT, "Touchdowns" FLOAT, "Interceptions" FLOAT, "QB Rating" TEXT)

How many yardage figures for the player with 72.3 QB rating?
SELECT COUNT("Yards") FROM table_22989 WHERE "QB Rating" = '72.3'
SELECT COUNT("Yards") FROM "table_22989" WHERE "QB Rating" = '72.3'