SCHEMA:
CREATE TABLE table_name_28 (partner VARCHAR, score VARCHAR, surface VARCHAR, outcome VARCHAR)
USER:
Who was the partner when the surface was clay, and outcome was runner-up, with a score of 4–6, 1–6?

QUERY:
SELECT partner FROM table_name_28 WHERE surface = "clay" AND outcome = "runner-up" AND score = "4–6, 1–6"