CREATE TABLE table_16521 ("Team" TEXT, "Stadium" TEXT, "Capacity" FLOAT, "Highest" FLOAT, "Lowest" FLOAT, "Average" FLOAT)

What is the lowest attandance recorded at Cappielow?
SELECT MIN("Lowest") FROM table_16521 WHERE "Stadium" = 'Cappielow'
SELECT MIN("Lowest") FROM "table_16521" WHERE "Stadium" = 'Cappielow'