Give the name of the customer who made an order with Clerk#000000803 on 1997/12/10.
name of the customer refers to c_name; o_clerk = 'Clerk#000000803'; order on 1997/12/10 refers to o_orderdate = '1997-12-10';
SELECT T2.c_name FROM orders AS T1 INNER JOIN customer AS T2 ON T1.o_custkey = T2.c_custkey WHERE T1.o_orderdate = '1997-12-10' AND T1.o_clerk = 'Clerk#000000803'