Table: tennis_tournaments_3
Columns: week_of
tournament
champion
runner_up
semifinalists
quarterfinalists

Question: Who became the champion for the 1984 Grand Prix where Marty Davis was the runner-up?
SQL: SELECT "champion" FROM tennis_tournaments_3 WHERE "runner_up" = 'Marty Davis'

Question: Who were the quarter-finalists in the event where the champion was Terry Moor 3-6, 7-6, 6-2?
SQL: SELECT "quarterfinalists" FROM tennis_tournaments_3 WHERE "champion" = 'Terry Moor 3-6, 7-6, 6-2'

Question: Who was the champion in the tournament where Scott Davis Chris Dunk was the runner up?
SQL: SELECT "champion" FROM tennis_tournaments_3 WHERE "runner_up" = 'Scott Davis Chris Dunk'

Question: Who were the semifinalists in the tournament where Mats Wilander 7-6, 6-3 was declared the champion?
SQL: SELECT "semifinalists" FROM tennis_tournaments_3 WHERE "champion" = 'Mats Wilander 7-6, 6-3'