Trouble looking up a text and bringing back something if a value is >= a specific date

In K10, copied down:
=IFERROR(INDEX($A$10:$A$17,MATCH(0,INDEX(COUNTIF($K$9:$K9,$A$10:$A$17),0),0)),"")

In J10, copied down:
=IF(SUMPRODUCT(($A$10:$A$17=K10)*($C$10:$C$17>=$C$7))>0,1,"")