How many percentages are listed for the election in 1983?
CREATE TABLE table_21131 (
    "Election" real,
    "Candidates fielded" real,
    "# of seats won" real,
    "Total votes" real,
    "% of popular vote" text,
    "Place" text
)
SELECT COUNT("% of popular vote") FROM table_21131 WHERE "Election" = '1983'
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: How many percentages are listed for the election in 1983? ### Input: CREATE TABLE table_21131 (
    "Election" real,
    "Candidates fielded" real,
    "# of seats won" real,
    "Total votes" real,
    "% of popular vote" text,
    "Place" text
) ### Response: SELECT COUNT("% of popular vote") FROM table_21131 WHERE "Election" = '1983'