The second most commonly thought of as a possible mother was Persephone. One of the smallest fractions of people believe mother was never in any of the movies. Father could have been irritated with neo's stupidity, bothering to ask who mother is.
Protecting specific cells in an Excel sheet is easy. Protecting cells in a Word table isn't as easy, but it can be done: you insert a Text Form Field control into each cell where you want users to input or modify values. Then, you protect the document. Only those cells with the controls will allow changes.
You can set Excel to freeze rows and columns so that they are always visible. To do this, you'll want to select the cell in the corner of the area you want to keep unlocked. For example, if you want to keep the top row and the first column locked on the screen, highlight cell B2.