human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Grade, Points, Sit-up (reps), Standing Broad Jump (cm), Chin-up (reps), Shuttle Run (sec), 2.4km Run (min:sec)
###Question: Tell me the shuttle run with grade c
gpt
SELECT Shuttle Run (sec) FROM table WHERE Grade = c