user: Question: What is every value for Under-11 if Under-19 is Leong Siu Lynn?
Columns: ['Year', 'Under-11', 'Under-13', 'Under-15', 'Under-17', 'Under-19']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [1999.0, 'unknown', 'unknown', 'unknown', 'Jacqui Inward', 'Leong Siu Lynn']
SQL:

assistant: SELECT "Under-11" FROM "Table" WHERE "Under-19" = 'Leong Siu Lynn';