What cellformula, using column and row names, return a specific value from a
table like below? (I cant use the INDEX function since I dont know the column
or row numbers in the actual table, only the names)

A B C D F

1 Week 42 Week 43 Week 44 Week 45
2 Company 1 67% 71% 69% 81%
3 Company 2 45% 78% 79% 73%
4 Company 3 88% 67% 86% 74%
5 Company 4 97% 56% 77% 92%
6 Company 5 87% 55% 82% 69%