CREATE TABLE table_18742 ("Rank" FLOAT, "Name" CLOB, "City" CLOB, "Region" CLOB, "Height  ( m ) " FLOAT, "Height  ( ft ) " FLOAT, "Floors" FLOAT, "Estimated Completion" FLOAT)

what's the height (ft) with name being leadenhall building
SELECT "Height (ft)" FROM table_18742 WHERE "Name" = 'Leadenhall Building'
SELECT "Height (ft)" FROM "table_18742" WHERE "Name" = 'Leadenhall Building'