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_name_1 ( surface VARCHAR, opponents_in_the_final VARCHAR )

### Question ###
On what surface was the tournament with opponents kathleen horvath marcella mesker in the finals?

### Accurate SQL ###

SELECT surface FROM table_name_1 WHERE opponents_in_the_final = "kathleen horvath marcella mesker"