user: Question: What is the mean team 1 when the 1st leg is Albignasego (Veneto A)?
Columns: ['Team 1', 'Agg.', 'Team 2', '1st leg', '2nd leg']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Manzanese (Friuli V.G.)', '0–3', 'Suzzara (Lombardy B)', '0–2']
SQL:

assistant: SELECT AVG("Team 1") FROM "Table" WHERE "1st leg" = 'Albignasego (Veneto A)';