I'm getting an SQL issue in Athena with 

```
SELECT
  A_a as [A],
  case when 'sva_new_price' then sva_mv
       when 'ob_drop'  then ob_drop_mv
       else NULL end as [X],
0 as [Y],
0 as [Z],
0 as [B],
0 as [C],
0 as [D]
FROM "AB"."BC"
LIMIT 10;

```

Please help.