user: Question: Who took the loss on May 20?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Time', 'Att.', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['May 1', '@ Rangers', '6-3 (10)', 'Zimmerman (1-2)', '3:01', '25,638', '9-15']
SQL:

assistant: SELECT "Loss" FROM "Table" WHERE "Date" = 'May 20';