user: Question: What is Win %, when Conference Titles is 0, and when Win-Loss is 20-10?
Columns: ['Coach', 'Years', 'Win-Loss', 'Win %', 'Conference Titles']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Arnold Siegfried', '1966–1967', '6-12', '.333', '0']
SQL:

assistant: SELECT "Win %" FROM "Table" WHERE "Conference Titles" = '0' AND "Win-Loss" = '20-10';