How many solicit on public way prostitution crimes were arrested in West Garfield Park?
solicit on public way prostitution crime refers to secondary_description = 'SOLICIT ON PUBLIC WAY' AND primary_description = 'PROSTITUTION'; arrested refers to arrest = 'TRUE'; West Garfield Park refers to community_area_name = 'West Garfield Park'
SELECT SUM(CASE WHEN T2.arrest = 'TRUE' THEN 1 ELSE 0 END) FROM Community_Area AS T1 INNER JOIN Crime AS T2 ON T1.community_area_no = T2.community_area_no INNER JOIN IUCR AS T3 ON T2.iucr_no = T3.iucr_no WHERE T1.community_area_name = 'West Garfield Park' AND T3.secondary_description = 'SOLICIT ON PUBLIC WAY' AND T3.primary_description = 'PROSTITUTION'