CREATE TABLE table_33571 ("Type" CLOB, "Suffix" CLOB, "Valency change" CLOB, "Example" CLOB, "Meaning" CLOB)

What is the Suffix of the intensive and valency change of 0?
SELECT "Suffix" FROM table_33571 WHERE "Valency change" = '0' AND "Type" = 'intensive'
SELECT "Suffix" FROM "table_33571" WHERE "Type" = 'intensive' AND "Valency change" = '0'