CREATE TABLE table_1661124_1 (target VARCHAR2, approved_treatment_s_ VARCHAR2)

What is the target when the approved treatment is non-hodgkin lymphoma?
SELECT target FROM table_1661124_1 WHERE approved_treatment_s_ = "non-Hodgkin lymphoma"
SELECT "target" FROM "table_1661124_1" WHERE "approved_treatment_s_" = "non-Hodgkin lymphoma"