yhat-pandasql-7.py

q = """
    SELECT
        date
        , beef
        , veal
        , pork
        , lamb_and_mutton
    FROM
        meat
    WHERE
        lamb_and_mutton >= veal
    ORDER BY date DESC
    LIMIT 10;
    """

print pysqldf(q)
#                   date    beef  veal    pork  lamb_and_mutton
# 0  2012-11-01 00:00:00  2206.6  10.1  2078.7             12.4
# 1  2012-10-01 00:00:00  2343.7  10.3  2210.4             14.2
# 2  2012-09-01 00:00:00  2016.0   8.8  1911.0             12.5
# 3  2012-08-01 00:00:00  2367.5  10.1  1997.9             14.2