user: ### NOW ANSWER:
Question: What is the Win % in the Span of 2011–2013 with a Lost of less than 1?
Columns: ['Opposition', 'Span', 'Lost', 'Tied', 'Win %']
Types: ['text', 'text', 'real', 'real', 'real']
Sample row: ['Chennai Super Kings', '2008–2013', 8.0, 0.0, 40.0]
SQL:

assistant: SELECT AVG("Win %") FROM "Table" WHERE "Span" = '2011–2013' AND "Lost" < 1.0;