CREATE TABLE table_name_71 (attendance VARCHAR2, opponent VARCHAR2, date VARCHAR2)

What was the Attendance on May 12, when the New York Yankees were the Opponent?
SELECT attendance FROM table_name_71 WHERE opponent = "new york yankees" AND date = "may 12"
SELECT "attendance" FROM "table_name_71" WHERE "date" = "may 12" AND "new york yankees" = "opponent"