CREATE TABLE table_65088 ("Peak" TEXT, "Country" TEXT, "Elevation  ( m ) " FLOAT, "Prominence  ( m ) " FLOAT, "Col  ( m ) " FLOAT)

Count the Prominence (m) of Col (m) smaller than 0?
SELECT AVG("Prominence (m)") FROM table_65088 WHERE "Col (m)" < '0'
SELECT AVG("Prominence (m)") FROM "table_65088" WHERE "Col (m)" < '0'