CREATE TABLE table_38064 ("Outcome" TEXT, "Year" FLOAT, "Championship" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

What was the score on a clay surface in a year later than 2006 with David Ferrer as an opponent?
SELECT "Score" FROM table_38064 WHERE "Surface" = 'clay' AND "Year" > '2006' AND "Opponent" = 'david ferrer'
SELECT "Score" FROM "table_38064" WHERE "Opponent" = 'david ferrer' AND "Surface" = 'clay' AND "Year" > '2006'