Which product did Phillina Ober buy?
product refers to "Product Name"
SELECT DISTINCT T3.`Product Name` FROM people AS T1 INNER JOIN central_superstore AS T2 ON T1.`Customer ID` = T2.`Customer ID` INNER JOIN product AS T3 ON T3.`Product ID` = T2.`Product ID` WHERE T1.`Customer Name` = 'Phillina Ober'
database name:db_id superstore
people table people Cols: Customer ID dtype text, Customer Name dtype text, Segment dtype text, Country dtype text, City dtype text, State dtype text, Postal Code dtype integer, Region dtype text, 
product table product Cols: Product ID dtype text, Product Name dtype text, Category dtype text, Sub-Category dtype text, Region dtype text, 
central_superstore table central_superstore Cols: row id dtype integer, order id dtype text, order date dtype date, ship date dtype date, ship mode dtype text, customer id dtype text, Region dtype text, product id dtype text, Sales dtype real, Quantity dtype integer, Discount dtype real, Profit dtype real, 
east_superstore table east_superstore Cols: row id dtype integer, order id dtype text, order date dtype date, ship date dtype date, ship mode dtype text, customer id dtype text, Region dtype text, product id dtype text, Sales dtype real, Quantity dtype integer, Discount dtype real, Profit dtype real, 
south_superstore table south_superstore Cols: row id dtype integer, order id dtype text, order date dtype date, ship date dtype date, ship mode dtype text, customer id dtype text, Region dtype text, product id dtype text, Sales dtype real, Quantity dtype integer, Discount dtype real, Profit dtype real, 
west_superstore table west_superstore Cols: row id dtype integer, order id dtype text, order date dtype date, ship date dtype date, ship mode dtype text, customer id dtype text, Region dtype text, product id dtype text, Sales dtype real, Quantity dtype integer, Discount dtype real, Profit dtype real, 
