What is the number for the moment of intertia in torsion (j) (cm 4) for the 4.7 web thickness (mm)?
CREATE TABLE table_2071644_1 (moment_of_inertia_in_torsion__j___cm_4__ VARCHAR, web_thickness__mm_ VARCHAR)
SELECT COUNT(moment_of_inertia_in_torsion__j___cm_4__) FROM table_2071644_1 WHERE web_thickness__mm_ = "4.7"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2071644_1 (moment_of_inertia_in_torsion__j___cm_4__ VARCHAR, web_thickness__mm_ VARCHAR) Question: What is the number for the moment of intertia in torsion (j) (cm 4) for the 4.7 web thickness (mm)? [/INST] SELECT COUNT(moment_of_inertia_in_torsion__j___cm_4__) FROM table_2071644_1 WHERE web_thickness__mm_ = "4.7" </s>