CREATE TABLE member (member_id CLOB, name CLOB, nationality CLOB, role CLOB)
CREATE TABLE member_attendance (member_id NUMBER, performance_id NUMBER, num_of_pieces NUMBER)
CREATE TABLE performance (performance_id NUMBER, date CLOB, host CLOB, location CLOB, attendance NUMBER)

Show the attendances of the performances at location 'TD Garden' or 'Bell Centre
SELECT attendance FROM performance WHERE location = "TD Garden" OR location = "Bell Centre"
SELECT "attendance" FROM "performance" WHERE "Bell Centre" = "location" OR "TD Garden" = "location"