user: Question: What is the Score of the match on May 21, 1984 with Outcome of Runner-up?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 'May 3, 1982', 'Perugia', 'Clay', 'Yvonne Vermaak', 'Billie Jean King Ilana Kloss', '2–6, 6–4, 7–6']
SQL:

assistant: SELECT "Score" FROM "Table" WHERE "Outcome" = 'Runner-up' AND "Date" = 'May 21, 1984';