General question, Supported with or Supported by

[isisalaska]

This question has not reference to any material.
Is it supported with or supported by?
Example: this assumption is never supported with/by any data

Thanks!

[800guy]

This question has not reference to any material.
Is it supported with or supported by?
Example: this assumption is never supported with/by any data

Thanks!

'supported by' is more idiomatic