CREATE TABLE table_55876 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT)

What is the attendance at the game where San Jose was the visitor on May 4?
SELECT "Attendance" FROM table_55876 WHERE "Visitor" = 'san jose' AND "Date" = 'may 4'
SELECT "Attendance" FROM "table_55876" WHERE "Date" = 'may 4' AND "Visitor" = 'san jose'