CREATE TABLE table_10477224_1 (sepal_length VARCHAR(255), sepal_width VARCHAR(255), petal_width VARCHAR(255))
Name the sepal lengh when sepal width is 2.9 and petal width 1.3
    
SQL: SELECT sepal_length FROM table_10477224_1 WHERE sepal_width = "2.9" AND petal_width = "1.3"