CREATE TABLE table_name_87 (date VARCHAR2, opponent VARCHAR2, result VARCHAR2, name VARCHAR2)

What is the date of the match with a result of ud 12/12 between Pernell Whitaker and James Mcgirt?
SELECT date FROM table_name_87 WHERE result = "ud 12/12" AND name = "pernell whitaker" AND opponent = "james mcgirt"
SELECT "date" FROM "table_name_87" WHERE "james mcgirt" = "opponent" AND "name" = "pernell whitaker" AND "result" = "ud 12/12"