CREATE TABLE table_204_570 (id NUMBER, "rank" NUMBER, "mountain" CLOB, "height  ( m ) " NUMBER, "height  ( ft ) " NUMBER, "range" CLOB, "coordinates" CLOB, "prominence  ( m ) " NUMBER, "parent mountain" CLOB, "first ascent" NUMBER, "ascents  ( failed attempts )  bef.2004" CLOB)

how many feet above sea level is k2 ?
SELECT "height (ft)" FROM table_204_570 WHERE "mountain" = 'k2'
SELECT "height (ft)" FROM "table_204_570" WHERE "mountain" = 'k2'