Table: atp_champions_tour_results
Columns: tournament
winner
runner_up
score
third_place

Question: Who wins with a score 7–6(4), 6–4
SQL: SELECT "winner" FROM atp_champions_tour_results WHERE "score" = '7–6(4), 6–4'

Question: Who is the Runner-up in Tournament of seiersberg
SQL: SELECT "runner_up" FROM atp_champions_tour_results WHERE "tournament" = 'seiersberg'