CREATE TABLE table_10753 ("Species" TEXT, "Strain" TEXT, "Type" TEXT, "Base Pairs" TEXT, "Genes" FLOAT, "Reference" TEXT)

what is the reference when the strain is msb8?
SELECT "Reference" FROM table_10753 WHERE "Strain" = 'msb8'
SELECT "Reference" FROM "table_10753" WHERE "Strain" = 'msb8'