For the genus/species arabidopsis thaliana, what are the lengths? 
CREATE TABLE table_15417439_1 (length VARCHAR, genus_species VARCHAR)
SELECT length FROM table_15417439_1 WHERE genus_species = "Arabidopsis thaliana"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15417439_1 (length VARCHAR, genus_species VARCHAR) Question: For the genus/species arabidopsis thaliana, what are the lengths?  [/INST] SELECT length FROM table_15417439_1 WHERE genus_species = "Arabidopsis thaliana" </s>