On three visits to the reading room, I did not wait for a table, but quietness was an advantage on only two of them.

What does On three visits to the reading room, I did not wait for a table, but quietness was an advantage on only two of them. mean?

On three visits to the reading room, I did not wait for a table, but quietness was an advantage on only two of them.

On three visits to the reading room, I did not wait for a table, but quietness was an advantage on only two of them. in other languages