Q: the 1st parenthesis captures into $1 and the 2nd parenthesis captures into $2 etc

A: The 1st parenthesis captures into $1 and the 2nd parenthesis captures into $2 etc
++++++++
Q: application server (running applications stored on the server)

A: Application server (running applications stored on the server)
++++++++
Q: his father died in march 1857 and ball returned from leamington spa to ireland where the family were now in some financial difficulties.

A:
His father died in March 1857 and Ball returned from Leamington Spa to Ireland where the family were now in some financial difficulties.
++++++++