CREATE TABLE table_35455 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Record" TEXT)

What's greatest attendance on May 7?
SELECT MAX("Attendance") FROM table_35455 WHERE "Date" = 'may 7'
SELECT MAX("Attendance") FROM "table_35455" WHERE "Date" = 'may 7'