Table: champs_finals
Columns: year
date_final
venue
prize_money
champion
runner_up
score_in_final
commercial_name

Question: What champion has 1981 as the year?
SQL: SELECT "champion" FROM champs_finals WHERE "year" = '1981'

Question: What date final has 1982 as the year?
SQL: SELECT "date_final" FROM champs_finals WHERE "year" = '1982'

Question: What prize money has michelob light challenge of champions as the commercial name?
SQL: SELECT "prize_money" FROM champs_finals WHERE "commercial_name" = 'michelob light challenge of champions'

Question: What date final has 1989 as the year?
SQL: SELECT "date_final" FROM champs_finals WHERE "year" = '1989'

Question: What score in final has boris becker as the champion?
SQL: SELECT "score_in_final" FROM champs_finals WHERE "champion" = 'boris becker'