Statement: constructed was completed during the same time frame of 1993 at the flowood site and the newsome brothers

Input Table: list of superfund sites in mississippi

Step 1: Select rows where 'construction_completed' is not '9999-01-01'.
cerclis_id name county proposed listed construction_completed partially_deleted deleted
msd004006995 american creosote works , inc winston 2001-06-14 2001-09-13 9999-01-01 - -
msd008154486 chemfax , inc harrison 1993-06-23 9999-01-01 9999-01-01 - -
msd046497012 davis timber company lamar 2000-05-11 2000-07-27 9999-01-01 - -
msd980710941 flowood site rankin 1983-09-08 1984-09-21 1993-09-17 - 02 / 16 / 1996
msd980840045 newsom brothers / old reichhold chemicals , inc marion 1984-10-15 1986-06-10 1997-08-08 - 09 / 27 / 2000
msd065490930 picayune wood treating pearl river 2004-03-08 2004-07-22 9999-01-01 - -
msd056029648 potter co copiah 1993-05-10 9999-01-01 9999-01-01 - -
msd086556388 sonford products rankin 2006-09-27 2007-03-07 9999-01-01 - -
msd980601736 walcotte chemical co warehouses washington 9999-01-01 9999-01-01 1982-12-30 - 12 / 30 / 1982
Step 2: Select rows where 'construction_completed' is '1993-09-17' or '1997-08-08'.
cerclis_id name county proposed listed construction_completed partially_deleted deleted
msd980710941 flowood site rankin 1983-09-08 1984-09-21 1993-09-17 - 02 / 16 / 1996
msd980840045 newsom brothers / old reichhold chemicals , inc marion 1984-10-15 1986-06-10 1997-08-08 - 09 / 27 / 2000
msd980601736 walcotte chemical co warehouses washington 9999-01-01 9999-01-01 1982-12-30 - 12 / 30 / 1982
Step 3: Use a `CASE` statement to return TRUE if the number of rows is equal to 2, otherwise return FALSE.
cerclis_id name county proposed listed construction_completed partially_deleted deleted
msd980710941 flowood site rankin 1983-09-08 1984-09-21 1993-09-17 - 02 / 16 / 1996
msd980840045 newsom brothers / old reichhold chemicals , inc marion 1984-10-15 1986-06-10 1997-08-08 - 09 / 27 / 2000