CREATE TABLE table_56357 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT)

What is the attendance at the Dallas home game on may 12?
SELECT COUNT("Attendance") FROM table_56357 WHERE "Home" = 'dallas' AND "Date" = 'may 12'
SELECT COUNT("Attendance") FROM "table_56357" WHERE "Date" = 'may 12' AND "Home" = 'dallas'