CREATE TABLE table_11523 ("Team" CLOB, "Home city" CLOB, "Stadium" CLOB, "Capacity" FLOAT, "2011-12 season" CLOB)

How many people attended games at alberto picco stadium?
SELECT COUNT("Capacity") FROM table_11523 WHERE "Stadium" = 'alberto picco'
SELECT COUNT("Capacity") FROM "table_11523" WHERE "Stadium" = 'alberto picco'