Table: marvin_alexander
Columns: name
col
position
height
weight
year
home_town
high_school

Question: How many weight stats are there for players from San Francisco, CA?
SQL: SELECT COUNT("weight") FROM marvin_alexander WHERE "home_town" = 'San Francisco, CA'

Question: What was rickie winslow's number?
SQL: SELECT MAX("col") FROM marvin_alexander WHERE "name" = 'Rickie Winslow'

Question: How many height entries are there for players from lagos, nigeria?
SQL: SELECT COUNT("height") FROM marvin_alexander WHERE "home_town" = 'Lagos, Nigeria'

Question: What is the hometown of the players from alvin high school?
SQL: SELECT "home_town" FROM marvin_alexander WHERE "high_school" = 'Alvin'

Question: How many height entries are there for players from bayside high school?
SQL: SELECT COUNT("height") FROM marvin_alexander WHERE "high_school" = 'Bayside'