Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_22 (e_coli VARCHAR, substrates VARCHAR)
### Question:
Which E. coli has a substrate of uracil?
### Answer:
SELECT e_coli FROM table_name_22 WHERE substrates = "uracil"