CREATE TABLE table_5379 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

Which Attendance has an Opponent of pittsburgh pirates, and a Date of may 5?
SELECT AVG("Attendance") FROM table_5379 WHERE "Opponent" = 'pittsburgh pirates' AND "Date" = 'may 5'
SELECT AVG("Attendance") FROM "table_5379" WHERE "Date" = 'may 5' AND "Opponent" = 'pittsburgh pirates'