List the customer number and name of each customer that placed an order on October 15, 2015. Each customer should be listed only once.

TAL Database Diagram REP 8 REP_NUM LAST_NAME FIRST_NAME CUSTOMER CUSTOMER_NUM CUSTOMER_NAME STREET STREET CITY CITY STATE STATE POSTAL CODE POSTAL CODE BALANCE COMMISSION CREDIT_LIMIT REP_NUM go RATE ORDERS 9 ORDER_NUM ORDER_DATE CUSTOMER_NUM co ORDER_LINE ORDER_NUM 8 ITEM_NUM NUM_ORDERED QUOTED_PRICE ITEM 8 ITEM_NUM DESCRIPTION ON_HAND CATEGORY STOREHOUSE PRICE