On the date of 20 July 1999 what is the English abbr.?
CREATE TABLE table_53770 (
    "Group name" text,
    "English abbr." text,
    "French abbr." text,
    "Formal European Parliament name" text,
    "From" text
)
SELECT "English abbr." FROM table_53770 WHERE "From" = '20 july 1999'
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: On the date of 20 July 1999 what is the English abbr.? ### Input: CREATE TABLE table_53770 (
    "Group name" text,
    "English abbr." text,
    "French abbr." text,
    "Formal European Parliament name" text,
    "From" text
) ### Response: SELECT "English abbr." FROM table_53770 WHERE "From" = '20 july 1999'