What is 1990, when 1997 is '1R', and when Tournament is 'Hamburg'?
CREATE TABLE table_45555 (
    "Tournament" text,
    "1988" text,
    "1989" text,
    "1990" text,
    "1991" text,
    "1992" text,
    "1993" text,
    "1994" text,
    "1995" text,
    "1996" text,
    "1997" text,
    "1998" text,
    "1999" text,
    "2000" text,
    "2001" text,
    "2002" text,
    "2003" text,
    "2004" text,
    "Career SR" text,
    "Career Win-Loss" text
)
SELECT "1990" FROM table_45555 WHERE "1997" = '1r' AND "Tournament" = 'hamburg'
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: What is 1990, when 1997 is '1R', and when Tournament is 'Hamburg'? ### Input: CREATE TABLE table_45555 (
    "Tournament" text,
    "1988" text,
    "1989" text,
    "1990" text,
    "1991" text,
    "1992" text,
    "1993" text,
    "1994" text,
    "1995" text,
    "1996" text,
    "1997" text,
    "1998" text,
    "1999" text,
    "2000" text,
    "2001" text,
    "2002" text,
    "2003" text,
    "2004" text,
    "Career SR" text,
    "Career Win-Loss" text
) ### Response: SELECT "1990" FROM table_45555 WHERE "1997" = '1r' AND "Tournament" = 'hamburg'