user: Question: Who was the partner on the game which took place on a Clay surface with opponents of Marco Chiudinelli Michael Lammer and a Runner-up result?
Columns: ['Outcome', 'Date', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', '20 April 2008', 'Clay', 'Travis Parrott', 'Juan Mónaco Máximo González', '5–7, 5–7']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Outcome" = 'Runner-up' AND "Surface" = 'Clay' AND "Opponents" = 'Marco Chiudinelli Michael Lammer';