CREATE TABLE table_48603 ("Year" FLOAT, "Track" CLOB, "250 cc" CLOB, "500 cc" CLOB, "Report" CLOB)

What track has a 250 cc of sito pons?
SELECT "Track" FROM table_48603 WHERE "250 cc" = 'sito pons'
SELECT "Track" FROM "table_48603" WHERE "250 cc" = 'sito pons'