user: Question: What trips are operated by Atlantic Coast Charters?
Columns: ['Route', 'Terminus', 'Operated by', 'Corridors served', 'Total trips (AM/PM)', 'Operating since']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Route 201', 'Gaithersburg (WB) BWI Airport (EB)', 'Atlantic Coast Charters', 'I-95 I-195 Intercounty Connector', 'Hourly', 'March 2011']
SQL:

assistant: SELECT "Total trips (AM/PM)" FROM "Table" WHERE "Operated by" = 'Atlantic Coast Charters';