user: Question: What was the total attendance for a result of 7-23 before 1960?
Columns: ['Year', 'Date', 'Home Team', 'Result', 'Visiting Team', 'Venue', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real']
Sample row: [1960.0, 'October 2', 'San Francisco 49ers', '13-9', 'Los Angeles Rams', 'Kezar Stadium', 53.633]
SQL:

assistant: SELECT SUM("Attendance") FROM "Table" WHERE "Result" = '7-23' AND "Year" < 1960.0;