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_37 (competing_entities VARCHAR, sport VARCHAR, age_groups VARCHAR, held_every VARCHAR)
### Question:
what is the competing entities when the age group is 18 or younger, held every is one year and the sport is table tennis?
### Answer:
SELECT competing_entities FROM table_name_37 WHERE age_groups = "18 or younger" AND held_every = "one year" AND sport = "table tennis"