Which astronaut went on the Apollo 16 mission at the age of 36y 6m 18d to step on the moon?
CREATE TABLE table_name_20 (name VARCHAR, mission VARCHAR, age_at_first_step VARCHAR)
SELECT name FROM table_name_20 WHERE mission = "apollo 16" AND age_at_first_step = "36y 6m 18d"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_20 (name VARCHAR, mission VARCHAR, age_at_first_step VARCHAR) Question: Which astronaut went on the Apollo 16 mission at the age of 36y 6m 18d to step on the moon? [/INST] SELECT name FROM table_name_20 WHERE mission = "apollo 16" AND age_at_first_step = "36y 6m 18d" </s>