CREATE TABLE table_23836 ("Type" TEXT, "Beam height  ( mm ) " FLOAT, "Flange width  ( mm ) " FLOAT, "Web thickness  ( mm ) " TEXT, "Flange thickness  ( mm ) " TEXT, "Weight  ( kg/m ) " TEXT, "Cross-section area  ( cm 2  ) " TEXT, "Moment of inertia in torsion  ( J )   ( cm 4  ) " TEXT)

What is the moment of intertia in torsion (j) Cm4) for the beam height (mm) 120??=
SELECT COUNT("Moment of inertia in torsion (J) (cm 4 )") FROM table_23836 WHERE "Beam height (mm)" = '120'
SELECT COUNT("Moment of inertia in torsion (J) (cm 4 )") FROM "table_23836" WHERE "Beam height (mm)" = '120'