query: SELECT count(*) FROM browser WHERE market_share  >=  5
question: How many main stream browsers whose market share is at least 5 exist?
query_toks: SELECT count ( * ) FROM browser WHERE market_share > = 5
query_toks_no_value: select count ( * ) from browser where market_share > = value
question_toks: How many main stream browsers whose market share is at least 5 exist?