CREATE TABLE table_31426 ("Prefix class" CLOB, "Type and usage" CLOB, "Example" CLOB, "Equivalent" CLOB, "Reference" CLOB)

What is every prefix class for the equivalent of NTE101?
SELECT "Prefix class" FROM table_31426 WHERE "Equivalent" = 'NTE101'
SELECT "Prefix class" FROM "table_31426" WHERE "Equivalent" = 'NTE101'