Table: granollers_match
Columns: outcome
date
surface
partner
opponents
score

Question: Which Partner with the surface of Clay ended up as a runner-up with a score of 1–6, 6–4, [10–12]?
SQL: SELECT "partner" FROM granollers_match WHERE "surface" = 'clay' AND "outcome" = 'runner-up' AND "score" = '1–6, 6–4, [10–12]'