Name the duration for georgi grechko
CREATE TABLE table_245801_1 (duration__days_ VARCHAR, crew VARCHAR)
SELECT duration__days_ FROM table_245801_1 WHERE crew = "Georgi Grechko"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_245801_1 (duration__days_ VARCHAR, crew VARCHAR) Question: Name the duration for georgi grechko [/INST] SELECT duration__days_ FROM table_245801_1 WHERE crew = "Georgi Grechko" </s>