I wish to use the "contains" within a query/filter, but can't get it to work.
Please review the spreadsheet and add in your formula.
formula:
=COUNTA(IFERROR(query(A:B,"Select B where B contains 'Canon' and A contains 'Amateur'")))
https://docs.google.com/spreadsheets/d/1ns6N_W-V8TsaTYGIAw14GuCO8K-g7D-MYJCdgoMZSzE/edit?usp=sharing