Label should not to start by number. Use double quotes or rename label
postgres=# select 10 as 2014_some;
ERROR: syntax error at or near "2014"
LINE 1: select 10 as 2014_some;
^
Time: 0.647 ms
postgres=# select 10 as "2014_some";
2014_some
───────────
10
(1 row)