user: Question: What is the location of the river mile that is larger than 938.9, and Olmsted Locks and Dam?
Columns: ['Locks & Dam', 'Location [L ]', 'River Mile', 'Lock Side', 'Lock Lift/Drop (in feet)', 'Pool Length (miles)']
Types: ['text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Emsworth Locks and Dam', 'Pittsburgh, Pennsylvania', 6.2, 'RDB', '18', '6.2+']
SQL:

assistant: SELECT "Location [L ]" FROM "Table" WHERE "River Mile" > 938.9 AND "Locks & Dam" = 'Olmsted Locks and Dam';