CREATE TABLE table_20940 ("Number" FLOAT, "Name" CLOB, "Kilometer" FLOAT, "Pavement" CLOB, "Length  ( m ) " FLOAT, "Average climb  ( % ) " FLOAT)

How many have a length of 375?
SELECT COUNT("Average climb (%)") FROM table_20940 WHERE "Length (m)" = '375'
SELECT COUNT("Average climb (%)") FROM "table_20940" WHERE "Length (m)" = '375'