Table: davenport_stats
Columns: outcome
year
championship
surface
opponent_in_final
score_in_final

Question: What is the amount of US open runner-up score?
SQL: SELECT COUNT("score_in_final") FROM davenport_stats WHERE "championship" = 'US Open' AND "outcome" = 'Runner-up'

Question: What is the year where the runner-up outcome was at its basic minimum?
SQL: SELECT MIN("year") FROM davenport_stats WHERE "outcome" = 'Runner-up'

Question: How many championships have there been with Steffi Graf?
SQL: SELECT "championship" FROM davenport_stats WHERE "opponent_in_final" = 'Steffi Graf'