CREATE TABLE table_37240 ("Round" FLOAT, "Date" CLOB, "Grand Prix" CLOB, "Circuit" CLOB, "125cc winner" CLOB, "250cc winner" CLOB, "MotoGP winner" CLOB, "Report" CLOB)

Which 250cc winner has a Round larger than 6, and a Date of 26 july?
SELECT "250cc winner" FROM table_37240 WHERE "Round" > '6' AND "Date" = '26 july'
SELECT "250cc winner" FROM "table_37240" WHERE "Date" = '26 july' AND "Round" > '6'