Table: poland_fed_cup
Columns: year
competition
date
location
score
result

Question: what is the competition when the result is loss in berlin with a score of 0-3?
SQL: SELECT "competition" FROM poland_fed_cup WHERE "result" = 'loss' AND "location" = 'berlin' AND "score" = '0-3'

Question: what is the date for the game in prague for the world group, consolation round competition?
SQL: SELECT "date" FROM poland_fed_cup WHERE "location" = 'prague' AND "competition" = 'world group, consolation round'

Question: What is the competition in tokyo with the result loss?
SQL: SELECT "competition" FROM poland_fed_cup WHERE "location" = 'tokyo' AND "result" = 'loss'

Question: what is the year when the date is not played?
SQL: SELECT "year" FROM poland_fed_cup WHERE "date" = 'not played'

Question: what is the score when the result is loss, the year is 1980 and the competition is world group, consolation round?
SQL: SELECT "score" FROM poland_fed_cup WHERE "result" = 'loss' AND "year" = '1980' AND "competition" = 'world group, consolation round'