CREATE TABLE table_75523 ("S.No." FLOAT, "Name of janapada" TEXT, "Name of King" TEXT, "No. of villages" FLOAT, "Capital" TEXT)

What is the highest S number with a capital of Shekhsar?
SELECT MAX("S.No.") FROM table_75523 WHERE "Capital" = 'shekhsar'
SELECT MAX("S.No.") FROM "table_75523" WHERE "Capital" = 'shekhsar'