user: Question: what position did the player play who had a number of 15 who played in 1987?
Columns: ['Player', 'Nationality', 'Jersey Number(s)', 'Position', 'Years', 'From']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Wardell Jackson Category:Articles with hCards', 'United States', '30', 'SF', '1974–1975', 'Ohio State']
SQL:

assistant: SELECT "Position" FROM "Table" WHERE "Jersey Number(s)" = '15' AND "Years" = '1987';