user: Question: Can you tell me the average B Score that has the Position of 2nd, and the Total smaller than 15.525?
Columns: ['Position', 'Gymnast', 'A Score', 'B Score', 'Total']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['1st', 'Xiao Qin ( CHN )', 6.4, 9.6, 16.0]
SQL:

assistant: SELECT AVG("B Score") FROM "Table" WHERE "Position" = '2nd' AND "Total" < 15.525;