user: Question: What is the average Number, when Position is Forward?
Columns: ['Name', 'Position', 'Number', 'School/Club Team', 'Season', 'Acquisition via']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Edgar Echavez', 'Guard', 12.0, 'Misamis Institute', '2007', 'Free Agency']
SQL:

assistant: SELECT AVG("Number") FROM "Table" WHERE "Position" = 'Forward';