CREATE TABLE table_13648 ("Round" FLOAT, "Dates" CLOB, "Rally Name" CLOB, "Rally HQ" CLOB, "Support Category" CLOB, "Surface" CLOB)

How many rounds have a Surface of wintry asphalt?
SELECT COUNT("Round") FROM table_13648 WHERE "Surface" = 'wintry asphalt'
SELECT COUNT("Round") FROM "table_13648" WHERE "Surface" = 'wintry asphalt'