Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_50407 ( "Round" real, "Pick" real, "Overall" real, "Name" text, "Position" text, "College" text )

### Question ###
Which Pick has a Round larger than 17, and a Name of gene stewart?

### Accurate SQL ###

SELECT COUNT("Pick") FROM table_50407 WHERE "Round" > '17' AND "Name" = 'gene stewart'