Table: world_cups_youth
Columns: sport
competition_name
competing_entities
age_groups
held_every

Question: What is the age group for figure skating?
SQL: SELECT "age_groups" FROM world_cups_youth WHERE "sport" = 'figure skating'

Question: what is the sport when the age group is 21 or younger and the competition name is world youth netball championships?
SQL: SELECT "sport" FROM world_cups_youth WHERE "age_groups" = '21 or younger' AND "competition_name" = 'world youth netball championships'

Question: what is the competition name when the age group is 17 or younger for athletics?
SQL: SELECT "competition_name" FROM world_cups_youth WHERE "age_groups" = '17 or younger' AND "sport" = 'athletics'

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?
SQL: SELECT "competing_entities" FROM world_cups_youth WHERE "age_groups" = '18 or younger' AND "held_every" = 'one year' AND "sport" = 'table tennis'