Question: For the Crew with Year 9 2nd Quads of STM, Year 9 1st Quads of SOM, and a Year 8 3rd Quads of STA what was the Year 8 1st Quads?
SQL: SELECT year_8_1st_quad FROM table_name_5 WHERE year_9_2nd_quad = "stm" AND year_9_1st_quad = "som" AND year_8_3rd_quad = "sta"