CREATE TABLE table_name_51 (kv_85_m1943 VARCHAR2, kv_1s_m1942 VARCHAR2)

What's the KV-85 when the KV-1S is 45?
SELECT kv_85_m1943 FROM table_name_51 WHERE kv_1s_m1942 = "45"
SELECT "kv_85_m1943" FROM "table_name_51" WHERE "45" = "kv_1s_m1942"