CREATE TABLE table_17965 ("Ensemble" TEXT, "Gold Medals" FLOAT, "Silver Medals" FLOAT, "Bronze Medals" FLOAT, "Total Medals" FLOAT)

How many numbers were listed under Silver Medals for Portsmouth HS?
SELECT COUNT("Silver Medals") FROM table_17965 WHERE "Ensemble" = 'Portsmouth HS'
SELECT COUNT("Silver Medals") FROM "table_17965" WHERE "Ensemble" = 'Portsmouth HS'