Table: masters_series_2005
Columns: tournament
surface
week
winner
runner_up
semifinalists

Question: What is the Runner-up on April 11?
SQL: SELECT "runner_up" FROM masters_series_2005 WHERE "week" = 'april 11'

Question: What was the Tournament on May 2?
SQL: SELECT "tournament" FROM masters_series_2005 WHERE "week" = 'may 2'