CREATE TABLE table_62430 ("Rank" TEXT, "Name" TEXT, "Height ft  ( m ) " TEXT, "Floors" FLOAT, "Year" FLOAT)

How many floors are in the building built after 2007, and ranked #10=?
SELECT AVG("Floors") FROM table_62430 WHERE "Rank" = '10=' AND "Year" > '2007'
SELECT AVG("Floors") FROM "table_62430" WHERE "Rank" = '10=' AND "Year" > '2007'