user: Question: What is the Partner with Opponents in the final with Roy Emerson Rod Laver, with Date smaller than 1975?
Columns: ['Outcome', 'Date', 'Tournament', 'Partner', 'Opponents in the final', 'Score in the final']
Types: ['text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 1970.0, 'Stockholm , Sweden', 'Owen Davidson', 'Arthur Ashe Stan Smith', '0–6, 7–5, 5–7']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Opponents in the final" = 'Roy Emerson Rod Laver' AND "Date" < 1975.0;