question: What is the total number of First Elected that has counties represented of Anne Arundel, District of 30, and a Ways and Means Committee?
answer: SELECT COUNT(first_elected) FROM table_name_22 WHERE counties_represented = "anne arundel" AND district = "30" AND committee = "ways and means"
context: CREATE TABLE table_name_22 (first_elected VARCHAR, committee VARCHAR, counties_represented VARCHAR, district VARCHAR)