user: Question: What's the mean game number for the olympiacos team when there's less than 17 rebounds?
Columns: ['Rank', 'Name', 'Team', 'Games', 'Rebounds']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Terence Morris', 'Maccabi Tel Aviv', 3.0, 29.0]
SQL:

assistant: SELECT AVG("Games") FROM "Table" WHERE "Team" = 'olympiacos' AND "Rebounds" < 17.0;