Passinf field name

Help please: Trying to construct a query where a field name has to be passed.

Database wbdata has a field “date timestamp with timezone”.

cursor.execute("SELECT * FROM wbdata ORDER BY date;")

works.

cursor.execute("SELECT * FROM wbdata WHERE date > %s", (starttime,))

works.

I read in your FAQs that I have to use psycopg2.sql to pass a field name into the query, so to select a subset of wbdata where date is > startdate and the output is sorted by date, I tried

cursor.execute(

sql.SQL("SELECT * FROM wbdata ORDER BY %s WHERE date > %%s" % [sql.Identifier("date")], [starttime]))

which gives me an error:

TypeError: __init__() takes 2 positional arguments but 3 were given

What is a correct formulation please? Thank you

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