CREATE TABLE table_52258 ("Location" CLOB, "Abb." CLOB, "Enzyme" CLOB, "Disorder" CLOB, "Measurements" CLOB)

What is the abbreviation of the enzyme involved in carbamoyl phosphate synthetase i deficiency?
SELECT "Abb." FROM table_52258 WHERE "Disorder" = 'carbamoyl phosphate synthetase i deficiency'
SELECT "Abb." FROM "table_52258" WHERE "Disorder" = 'carbamoyl phosphate synthetase i deficiency'