Which European Cup is in the 1990-91 season?
CREATE TABLE table_name_78 (
    european_cup VARCHAR,
    season VARCHAR
)
SELECT european_cup FROM table_name_78 WHERE season = "1990-91"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Which European Cup is in the 1990-91 season? ### Input: CREATE TABLE table_name_78 (
    european_cup VARCHAR,
    season VARCHAR
) ### Response: SELECT european_cup FROM table_name_78 WHERE season = "1990-91"