user: Question: Who is the partner of the tournament on 6 July 1987?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', '29 April 1985', 'Taranto', 'Clay', 'Raffaella Reggi', 'Patrizia Murgo Barbara Romanò', '1–6, 6–4, 6–3']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Date" = '6 July 1987';