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_55 ( championship VARCHAR, outcome VARCHAR, opponents_in_final VARCHAR )

### Question ###
What is Championship, when Outcome is 'runner-up', and when Opponents In Final is 'Gigi Fern ndez Natalia Zvereva'?

### Accurate SQL ###

SELECT championship FROM table_name_55 WHERE outcome = "runner-up" AND opponents_in_final = "gigi fernández natalia zvereva"