Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_42140 ( "Office" text, "Republican ticket" text, "Democratic ticket" text, "Conservative ticket" text, "Liberal ticket" text, "Socialist Labor ticket" text, "Socialist Workers ticket" text )

### Question ###
Which office has kieran o'doherty as the conservative ticket?

### Accurate SQL ###

SELECT "Office" FROM table_42140 WHERE "Conservative ticket" = 'kieran o''doherty'