user: Question: What is the sum of Height (cm), when the Weight (kg) is 90?
Columns: ['Position', 'Name v t e', 'Height (cm)', 'Weight (kg)', 'Birthplace', '1999-2000 team']
Types: ['text', 'text', 'real', 'real', 'text', 'text']
Sample row: ['G', 'Robert Esche Category:Articles with hCards', 184.0, 85.0, 'Utica, New York', 'Springfield Falcons']
SQL:

assistant: SELECT SUM("Height (cm)") FROM "Table" WHERE "Weight (kg)" = 90.0;