text: DOUBLE,      Cabin STRING,      Embarked STRING)    ;        /*    3 rows from titanic table:    PassengerId Survived    Pclass  Name    Sex Age SibSp   Parch   Ticket  Fare    Cabin   Embarked    1   0   3   Braund, Mr. Owen Harris male    22.0    1   0   A/5 21171   7.25    None    S    2   1   1   Cumings, Mrs. John Bradley (Florence Briggs Thayer) female  38.0    1   0   PC 17599    71.2833 C85 C    3   1   3   Heikkinen, Miss. Laina  female  26.0    0   0   STON/O2. 3101282    7.925   None    S    */    Thought:There is an Age column in the titanic table. I should write a query to calculate the average age and then find the square root of the result.    Action: query_checker_sql_db    Action Input: SELECT SQRT(AVG(Age)) as square_root_of_avg_age FROM titanic    Observation: The original query seems to be correct. Here it is again:        SELECT SQRT(AVG(Age)) as square_root_of_avg_age FROM titanic    Thought:The query is correct, so I can execute it to find the square