user: Question: Who is the partner with a Runner-up outcome on April 6, 1992?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 'August 4, 1986', 'Montreal', 'Hard', 'Gabriela Sabatini', 'Pam Shriver Helena Suková', '7–6(2), 5–7, 6–4']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Outcome" = 'Runner-up' AND "Date" = 'April 6, 1992';