user: Question: How often is the Table tennis competition held?
Columns: ['Sport', 'Competition name', 'Competing entities', 'Age groups', 'Held every']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Aquatics', 'FINA World Junior Swimming Championships', 'Individuals [R ]', '17 or younger', 'Two years']
SQL:

assistant: SELECT "Held every" FROM "Table" WHERE "Sport" = 'Table tennis';