Marat Safin is the opponent in the final in what championship?
CREATE TABLE table_26202788_7 (championship VARCHAR, opponent_in_the_final VARCHAR)
SELECT championship FROM table_26202788_7 WHERE opponent_in_the_final = "Marat Safin"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26202788_7 (championship VARCHAR, opponent_in_the_final VARCHAR) Question: Marat Safin is the opponent in the final in what championship? [/INST] SELECT championship FROM table_26202788_7 WHERE opponent_in_the_final = "Marat Safin" </s>